assuredvsassuredlyWhat's the difference?

Quick tell: assured is a verb, assuredly is an adverb, so they fill different roles in a sentence.

Which to use

“assured” is a verb and “assuredly” is an adverb - they look or sound alike but fill different roles in a sentence.

#6,329
“assured” frequency rank
#37,806
“assuredly” frequency rank
44135
confusion score

Side-by-Side Comparison

Feature assured assuredly
Definition simple past and past participle of assure In an assured manner; confidently.

Where the eye mixes assured and assuredly

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. assured runs 7 letters (VCCVCVC) against assuredly's 9 (VCCVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
assured
9 ch
assuredly

Visual trap between assured and assuredly

These two trip readers on the page rather than in the ear: assured is /əˈʃʊəd/ while assuredly is /əˈʃʊɹɪdli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “assured” sits inside “assuredly”, and the parts of speech differ too (verb vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 44135, derived from the frequency rank of both members and their visual similarity.

assured is recorded at frequency rank #6,329, classified as averb, pronounced /əˈʃʊəd/. assuredly is at rank #37,806, tagged as anadv, pronounced /əˈʃʊɹɪdli/.

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 44135, this pair ranks #233,401 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of assured vs assuredly

Shared letters: adersu. Private to "assured": -. Private to "assuredly": ly.

"assured" · 7 letters · shape VCCVCVC  ·  "assuredly" · 9 letters · shape VCCVCVCCV

Known mistypes of this pair

  • assured ← assrued · assuerd · assurde · assuredd · assurred · asured · asusred · sasured
  • assuredly ← assruedly · assuerdly · assurdely · assureddly · assuredlly · assuredlyy · assuredyl · assureldy

Frequently Asked Questions

Do "assured" and "assuredly" mean the same thing in a sentence?
No - they are not even the same part of speech. "assured" is a verb and "assuredly" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "assured" vs "assuredly" - which ranks higher?
"assured" is the more common of the two: it sits at frequency rank #6,329 in our English list, against #37,806 for "assuredly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "assured" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "assuredly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,401 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "assured" and "assuredly" also get mixed up with nearby pairs, the highest-scored neighbour is "absurdly vs assuredly". 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 #233,401 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