Free ebook: Machiavelli's Laboratory
"Ethics taught by an unethical scientist"
CONFUSED WORDS
The following are terms that are often confused with
totally different terms with similar spelling or pronunciation.
- abducted <=> abdicated
- aboral <=> arboreal
- acanthocytes <=> acanthocystis
- acetazolamide <=> acetahexamide
- acinic <=> actinic
- acinus <=> a sinus
- alcoholic <=> alkalosis
- alkalosis <=> ankylosis
- amacrine => amsacrine
- ambien <=> amen
- amiodarone <=> amrinone
- anisakiasis <=> anisokaryosis
- anlage <=> analog
- antinomy <=> antimony (antinomy is the mutual incompatibility of two logical laws; antimony is a mineral element)
- aphasia <=> aphagia
- aptotic <=> apoptotic
- arboreal <=> aboriginal
- arterial <=> atrial (relating to an artery v relating to the atrium of the heart)
- arteritis <=> arthritis
- auscultation <=> osculation (auscultation is listening for internal body sounds, with a stethoscope; osculation is kissing)
- auscultation <=> oscultation (auscultation is listening for internal body sounds, with a stethoscope; oscultation is not a work in the English language)
- auxilliary <=> axillary
- auxin <=> axon
- biennial <=> bianual (biennial is every 2 years; biannual is every 6 months)
- bilingual <=> by lingual
- biomatrix <=> biometrics
- brachial <=> branchial (brachial refers to an arm)
- branchial <=> bronchial (branchial refers to the the embryonic arches and clefts homologous to gills)
- callous <=> callus
- callosal <=> colossal (related to corpus callosum v big)
- Candida <=> Canada
- carney syndrome <=> carney triad (Carney syndrome is myxoma, spotty pigmentation, endocrinopathy; Carney Triad is gastric leiomyosarcoma, pulmonary chondroma, extraadrenal paraganglioma, mainly in young women)
- cerumen <=> serum (cerumen is ear wax, serum is the clear liquid that separates out from clotted blood)
- chancre <=> chance
- chancre <=> chancroid (syphilitic ulcer due to the spirochete Treponema pallidum v sexually transmitted genital sore due to Haemophilus ducreyi)
- chlorpropamide <=> chlorpromazine
- choleric <=> caloric
- cholic <=> colic
- chondroid <=> chordoid
- chondroma <=> chordoma
- chorionic <=> chronic
- chromatin <=> chromatic (nuclear material v relating to colors)
- chrysolite <=> chrysotile (yellow olivine v asbestos)
- cingula <=> singular (a gyrus in the brain v not plural)
- circumbscribed <=> circumcised (a surrounding demarcation v removal of foreskin)
- cirrhosis <=> serositis (liver fibrosis and damage v inflammation of the outer lining of organs)
- cirrhosis <=> xerosis (liver fibrosis and damage v dry skin)
- clonidine <=> klonipin
- clozapine <=> olanzapine
- coitus <=> colitis (intercourse v inflammation of large bowel)
- colic <=> colonic (infantile stomach ache v relating to colon)
- cometologist <=> cosmetologist
- conscience <=> conscious
- contin <=> oxycontin
- cosmologist <=> cosmetologist
- costal <=> coastal (costal refers to ribs)
- cryptogram (an encrypted message) <=> cryptogram (an obsolete and inappropriate taxonomic term referring to plants, as well as protists and fungi, that do not produce seeds)
- culdoscopy <=> culposcopy
- cygnet <=> signet
- decease <=> disease
- deceased <=> desist (you can cease and desist without being deceased)
- deciduous <=> dioecious
- diabetic <=> dietetic
- diploic <=> diploid
- disc <=> disk (synonyms, but where one form is commonly used, the other form is unwelcome)
- disease <=> decease
- diseased <=> deceased
- durezol <=> durasal (durezol is an eye drug, durasal is a wart remover)
- dyskaryosis <=> dyskeratosis
- ectatic <=> ecstatic
- endochondral <=> enchondral (these are synonyms)
- ensure <=> insure
- epidermic <=> epidemic (relating to the top layer of skin v an outbreak of disease)
- epiphysis <=> epiphytic
- epitaxis <=> epistaxis
- erythemic <=> erythremic (erythemic means red and erythremic refers to red cells)
- exxon <=> exon
- facial <=> fascial
- facies <=> faeces
- familiar <=> familial
- fetal <=> fatal
- firearm <=> forearm
- flomax <=> volmax
- flutamide <=> flumadine
- foreword <=> forward
- hallux <=> helicis
- helicis <=> hallux
- hematoma <=> hepatoma
- herpetic <=> herpangina
- huff <=> hof
- hydatid <=> hydatidiform
- ileitis <=> iliitis
- ileum <=> ilium
- intercostal <=> intercoastal (between ribs v between coasts)
- isotope <=> isotrope
- isotrope <=> isotope
- kalemic <=> cholemic
- kerasin <=> keratin
- kerasin <=> kerosene
- keratinic <=> actinic
- keratinic <=> keratotic
- keratinocytic <=> keratinolytic
- keratosis <=> ketosis
- lienal <=> lineal (splenic v an unbroken line of ancestors)
- lipoma <=> lymphoma
- lobulated <=> lobated
- malleolus <=> malleus
- meiosis <=> meoisis (meiosis is haploid division; meoisis is a process wherein microsporocytes produce tetrads of four spores, the contents of pollen grains)
- meningitis <=> meningitidis
- milia <=> milium
- miotic <=> meiotic
- miotic <=> mitotic
- mitosis <=> meiosis
- mitotic <=> meiotic
- mucous <=> mucus (verb v noun)
- myelofibrosis <=> myofibrosis (fibrosis of bone marrow v fibrosis of muscle)
- myeloid <=> myoid (of bone marrow v of muscle)
- myiasis <=> meiosis
- myofibroma <=> myelofibroma
- myosis <=> meiosis
- noble (in chemistry, refers to metals that only occur naturally in a pure form) <=> nobel (the prize)
- nucleus <=> nucleolus
- oncology <=> ontology (oncology is the field of medicine dealing with cancer; ontology is the study of the basic categories of being, and their relationships)
- ontogeny <=> ontology
- orchid <=> orchard
- orchidectomy <=> orchiectomy
- organic <=> organoid
- paladin <=> palladin (Paladin is a heroic knight, and palladin is a protein overexpressed in pancreatic cancer named after the renaissance architect Andrea Palladio)
- palatal <=> palatial (of the mouth's palat v big gaudy house)
- paleodontology <=> paleontology
- palette <=> palate (artists paint on a palette; the palate is the roof of your mouth)
- palpation <=> palpitation (palpation is exploring by touch; palpitation is the sensation that your heart is beating erratically)
- palpitation <=> palpation
- panel <=> penal
- panel <=> penile
- parental <=> parenteral (parental refers to a mother or father; parenteral is a route of administration of liquid medicine or food into the body other than the normal enteral (gastrointestinal) route)
- parotid <=> carotid
- parotid gland <=> carotid gland
- pathogen <=> parthenogen
- pathogenesis <=> parthenogenesis
- penal <=> penile
- penicillamine <=> penicillin
- perineal <=> perennial
- perineal <=> perianal
- perineal <=> peritoneal
- perineal <=> peroneal
- pipette <=> pipetta
- plaque <=> plague
- pleiotropic <=> pleiotypic
- plural <=> pleural
- polypoid <=> polyploid (shaped like a polyp v carrying extra sets of chromosomes)
- polypoid <=> polypod (shaped like a polyp v having multiple pods, as in certain ferns)
- porphyria <=> porphyruria (a condition in which there is overproduction of porphyrins v porphyrins in the urine)
- potable <=> portable (safe to dring v can be carried)
- prilosec <=> prozac
- proptosis <=> ptosis
- prostrate <=> prostate
- protuberant <=> protruberant
- pseudomonas <=> pseudonymous
- ptosis <=> tylosis
- pyrolysis <=> paralysis
- quinine <=> quinidine
- rachischisis <=> rachitis
- rachischitic <=> rachitic
- radial <=> radical
- relic (ancient item that persists to modern times) <=> relict (much like relic, but applies exclusively to animals and other organisms)
- retrovir <=> ritonavir
- rett <=> ret
- rickets <=> rickettsia
- rosacea <=>rosea
- saliva <=> salvia
- semantic <=> somatic
- serous <=> serious
- severe <=> sever
- silicon <=> silicone
- singleton <=> singultus (one of a kind v hiccup)
- somatic <=> semantic
- sonography <=> stenography
- species <=> specious
- tendonitis <=> tendinitis (these two terms are equivalent, though they shouldn't be; there's no such thing as a tendin)
- taenia <=> tinea
- takoma <=> trachoma
- thecoma <=> thekeoma
- tinnitus <=> tinnitis
- tophus <=> typhus
- torsion <=> distortion
- trachoma <=> trachea
- tribonema <=> treponema
- trichina <=> trachoma
- trichina <=> trichura
- trichinosis <=> trichosis
- trichinosis <=> trichuriasis
- trichinosis <=> trichinellosis <=> trichiniasis (these are all valid synonyms)
- typhoid fever <=> paratyphoid fever
- urethral <=> ureteral (urethra is not the ureter)
- vagitis <=> vaginitis (inflammation of vagus nerve v inflammation of vagina)
- venous <=> venus (of the veins v the planet)
- virial <=> viral (virial temperature is a term from physics meaning the average energy per particle in an accretion disk)
- zocor <=> cozaar
Last modified: January 16, 2011, by Jules J. Berman, Ph.D., M.D.