Medical and Scientific Terms: Pronunciation Guide for Professionals

Published on December 13, 2025
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Medical and scientific terms often come from Greek and Latin roots, giving them unusual spellings and pronunciations. This guide covers the most commonly mispronounced terms in healthcare and science.

Silent Letter Patterns from Greek

Many medical terms have Greek origins with silent initial consonants:

Silent P Pattern

The P is silent before: N, S, T (at the beginning of words from Greek)

  • pn-: pneumonia, pneumatic
  • ps-: psychology, psychiatry, pseudo
  • pt-: pterodactyl, ptolemy

Common Medical Terms

Scientific Terms

Chemical and Biological Terms

Body Parts and Organs

Tricky Plurals

Scientific terms often have Latin/Greek plural forms:

SingularPluralPronunciation
phenomenonphenomena/fəˈnɑːmɪnə/
criterioncriteria/kraɪˈtɪriə/
bacteriumbacteria/bækˈtɪriə/
nucleusnuclei/ˈnuːkliaɪ/
focusfoci/ˈfoʊsaɪ/
stimulusstimuli/ˈstɪmjulaɪ/
vertebravertebrae/ˈvɜːrtɪbreɪ/

Pharmaceutical Terms

Common Mispronunciations

WordWrongRight
epitome/ˈepɪtoʊm//ɪˈpɪtəmi/
hyperbole/ˈhaɪpərboʊl//haɪˈpɜːrbəli/
genome/ˈdʒiːnoʊm//ˈdʒiːnoʊm/ or /ˈɡiːnoʊm/
niche/nɪtʃ//niːʃ/ or /nɪtʃ/
mischievous/mɪsˈtʃiːviəs//ˈmɪstʃɪvəs/

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