provisionalvsprovisionallyConfusable pair

Quick tell: provisional is a adjective, provisionally is an adverb, so they fill different roles in a sentence.

Which to use

“provisional” is an adjective and “provisionally” is an adverb - they look or sound alike but fill different roles in a sentence.

#11,948
“provisional” frequency rank
#37,644
“provisionally” frequency rank
49592
confusion score

Side-by-Side Comparison

Feature provisional provisionally
Definition Temporary, but with the intention of eventually becoming permanent or being replaced by a permanent equivalent. In a provisional way; temporarily.

Letter map: provisional vs provisionally

Shared letters muted; letters that set provisional and provisionally apart highlighted. Shared run: 11. provisional runs 11 letters (CCVCVCVVCVC) against provisionally's 13 (CCVCVCVVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

11 ch
provisional
13 ch
provisionally

Role in the sentence - provisional and provisionally

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: provisional is anadjective and provisionallyanadverb. On the page they differ by 2 extra letter(s) - “provisional” sits inside “provisionally”. Our composite confusion score for this pair is 49592, derived from the frequency rank of both members and their visual similarity.

provisional is recorded at frequency rank #11,948, classified as anadj, pronounced /pɹəˈvɪʒənəl/. provisionally is at rank #37,644, tagged as anadv.

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 49592, this pair ranks #182,145 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of provisional vs provisionally

Shared letters: ailnoprsv. Private to "provisional": -. Private to "provisionally": y.

"provisional" · 11 letters · shape CCVCVCVVCVC  ·  "provisionally" · 13 letters · shape CCVCVCVVCVCCV

Known mistypes of this pair

  • provisional ← porvisional · pprovisional · proivsional · proviisonal · provisinoal · provisioanl · provisionall · provisionla
  • provisionally ← porvisionally · pprovisionally · proivsionally · proviisonally · provisinoally · provisioanlly · provisionallyy · provisionaly

Frequently Asked Questions

Is swapping "provisional" for "provisionally" ever safe?
No - they are not even the same part of speech. "provisional" is an adjective and "provisionally" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "provisional" or "provisionally"?
"provisional" is the more common of the two: it sits at frequency rank #11,948 in our English list, against #37,644 for "provisionally". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "provisional" vs "provisionally" is on the table, pick a follow-up below.

  • Full dictionary entry for "provisional" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "provisionally" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #182,145 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "provisional" and "provisionally" also get mixed up with nearby pairs, the highest-scored neighbour is "provisional vs provisions". 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 #182,145 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