opportunistvsopportunisticWhich spelling fits?

Quick tell: opportunist is a noun, opportunistic is an adjective, so they fill different roles in a sentence.

Which to use

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

#38,532
“opportunist” frequency rank
#26,536
“opportunistic” frequency rank
65068
confusion score

Side-by-Side Comparison

Feature opportunist opportunistic
Definition Someone who takes advantage of any opportunity to advance their own situation, placing expediency above principle. Taking advantage of situations that arise.

Where the eye mixes opportunist and opportunistic

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. opportunist runs 11 letters (VCCVCCVCVCC) against opportunistic's 13 (VCCVCCVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
opportunist
13 ch
opportunistic

Look-alike desk: opportunist vs opportunistic

These two trip readers on the page rather than in the ear: opportunist is /ˌɒpə(ɹ)ˈtjuːnɪst/ while opportunistic is /ˌɒp.əˌtjuːˈnɪs.tɪk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “opportunist” sits inside “opportunistic”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 65068, derived from the frequency rank of both members and their visual similarity.

opportunist is recorded at frequency rank #38,532, classified as anoun, pronounced /ˌɒpə(ɹ)ˈtjuːnɪst/. opportunistic is at rank #26,536, tagged as anadj, pronounced /ˌɒp.əˌtjuːˈnɪs.tɪk/.

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 65068, this pair ranks #74,583 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of opportunist vs opportunistic

Shared letters: inoprstu. Private to "opportunist": -. Private to "opportunistic": c.

"opportunist" · 11 letters · shape VCCVCCVCVCC  ·  "opportunistic" · 13 letters · shape VCCVCCVCVCCVC

Known mistypes of this pair

  • opportunist ← opoprtunist · oportunist · opporrtunist · opportnuist · opporttunist · opportuinst · opportunisst · opportunistt
  • opportunistic ← opoprtunistic · oportunistic · opporrtunistic · opportnuistic · opporttunistic · opportuinstic · opportunisitc · opportunisstic

Frequently Asked Questions

Is swapping "opportunist" for "opportunistic" ever safe?
No - they are not even the same part of speech. "opportunist" is a noun and "opportunistic" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "opportunist" or "opportunistic" show up more?
"opportunistic" is the more common of the two: it sits at frequency rank #26,536 in our English list, against #38,532 for "opportunist". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "opportunist" and "opportunistic" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "opportunist" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opportunistic" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,583 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "opportunist" and "opportunistic" also get mixed up with nearby pairs, the highest-scored neighbour is "opportunist vs opportunity". 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 #74,583 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