assumingvsassuringConfusable pair

Quick tell: assuming is a verb, assuring is an adjective, so they fill different roles in a sentence.

Which to use

“assuming” is a verb and “assuring” is an adjective - they look or sound alike but fill different roles in a sentence.

#4,822
“assuming” frequency rank
#24,663
“assuring” frequency rank
29485
confusion score

Side-by-Side Comparison

Feature assuming assuring
Definition present participle and gerund of assume Synonym of reassuring.

Letter map: assuming vs assuring

Shared letters muted; letters that set assuming and assuring apart highlighted. Shared run: 7.

8 ch
assuming
8 ch
assuring

Part-of-speech tell for assuming / assuring

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: assuming is averb and assuringanadjective. On the page they differ by a single letter - m in “assuming” becomes r in “assuring”. Our composite confusion score for this pair is 29485, derived from the frequency rank of both members and their visual similarity.

assuming is recorded at frequency rank #4,822, classified as averb, pronounced /əˈsjuːmɪŋ/. assuring is at rank #24,663, tagged as anadj.

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 29485, this pair ranks #362,585 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of assuming vs assuring

Shared letters: aginsu. Private to "assuming": m. Private to "assuring": r.

"assuming" · 8 letters · shape VCCVCVCC  ·  "assuring" · 8 letters · shape VCCVCVCC

Known mistypes of this pair

  • assumingassmuing · assuimng · assumign · assumingg · assuminng · assumming · assumnig · asuming
  • assuringassruing · assuirng · assurign · assuringg · assurinng · assurnig · assurring · asuring

Frequently Asked Questions

Do "assuming" and "assuring" mean the same thing in a sentence?
No - they are not even the same part of speech. "assuming" is a verb and "assuring" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "assuming" or "assuring"?
"assuming" is the more common of the two: it sits at frequency rank #4,822 in our English list, against #24,663 for "assuring". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "assuming" and "assuring".

  • Full dictionary entry for "assuming" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "assuring" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #362,585 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "assuming" and "assuring" also get mixed up with nearby pairs, the highest-scored neighbour is "alluring vs assuring". 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 #362,585 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