How to say "prevalence" in Japanese

• 卓抜たくばつCommon
  na-adjective, noun, suru verb, intransitive verbCovers only the marginal 'prevalence' gloss; its real meaning is excellence, superiority, or preeminence, so it suits praise of outstanding ability or work rather than the commonness of something.
• 流行りゅうこうJLPT N3approx.Common
  noun, suru verb, intransitive verbThis is the word for the prevalence or spread of a disease, i.e. an epidemic. When 'prevalence' describes how widely an illness is occurring in a population, this is the natural choice.

For the widespread-occurrence sense of 'prevalence', especially of disease, use 流行; 卓抜 mainly means excellence or preeminence and is rarely the word you want for 'prevalence'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 卓抜たくばつexcellence
• 有病率ゆうびょうりつprevalence (rate)
• 跋扈ばっこrampancy
• 卓出たくしゅつexcellence
• 流行りゅうこうprevalence (of a disease)
• 流行りはやりprevalence (e.g. of a disease)