biologicvsbiologyWhich spelling fits?

Quick tell: biologic is a adjective, biology is a noun, so they fill different roles in a sentence.

Which to use

“biologic” is an adjective and “biology” is a noun - they look or sound alike but fill different roles in a sentence.

#47,493
“biologic” frequency rank
#4,921
“biology” frequency rank
52414
confusion score

Side-by-Side Comparison

Feature biologic biology
Definition Biological; pertaining to biology or to a living organism. The study of all life or living matter.

Where the eye mixes biologic and biology

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
biologic
7 ch
biology

Visual trap between biologic and biology

These two trip readers on the page rather than in the ear: biologic is /bʌɪəˈlɒdʒɪk/ while biology is /baɪˈɒl.ə.d͡ʒɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52414, derived from the frequency rank of both members and their visual similarity.

biologic is recorded at frequency rank #47,493, classified as anadj, pronounced /bʌɪəˈlɒdʒɪk/. biology is at rank #4,921, tagged as anoun, pronounced /baɪˈɒl.ə.d͡ʒɪ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 52414, this pair ranks #157,250 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of biologic vs biology

Shared letters: bgilo. Private to "biologic": c. Private to "biology": y.

"biologic" · 8 letters · shape CVVCVCVC  ·  "biology" · 7 letters · shape CVVCVCV

Known mistypes of this pair

  • biologicbbiologic · biloogic · biolgoic · biollogic · biologci · biologgic · biologicc · bioloigc
  • biologybbiology · biloogy · biolgoy · biollogy · biologgy · biologyy · bioloyg · bioolgy

Frequently Asked Questions

Is swapping "biologic" for "biology" ever safe?
No - they are not even the same part of speech. "biologic" is an adjective and "biology" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "biologic" or "biology" show up more?
"biology" is the more common of the two: it sits at frequency rank #4,921 in our English list, against #47,493 for "biologic". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "biologic" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biology" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #157,250 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "biologic" and "biology" also get mixed up with nearby pairs, the highest-scored neighbour is "biologic vs biologist". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #157,250 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list