adherevsadverbWhich spelling fits?

Quick tell: adhere is a verb, adverb is a noun, so they fill different roles in a sentence.

Which to use

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

#13,452
“adhere” frequency rank
#49,754
“adverb” frequency rank
63206
confusion score

Side-by-Side Comparison

Feature adhere adverb
Definition To stick fast or cleave, as a glutinous substance does; to become joined or united. A word that modifies a verb, adjective, other adverbs, or various other types of words, phrases, or clauses.

Where the eye mixes adhere and adverb

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. adhere (VCCVCV) and adverb (VCCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
adhere
6 ch
adverb

Look-alike desk: adhere vs adverb

These two trip readers on the page rather than in the ear: adhere is /ædˈhɪə/ while adverb is /ˈæd.vɜːb/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 63206, derived from the frequency rank of both members and their visual similarity.

adhere is recorded at frequency rank #13,452, classified as averb, pronounced /ædˈhɪə/. adverb is at rank #49,754, tagged as anoun, pronounced /ˈæd.vɜːb/.

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 63206, this pair ranks #84,228 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of adhere vs adverb

Shared letters: ader. Private to "adhere": h. Private to "adverb": bv.

"adhere" · 6 letters · shape VCCVCV  ·  "adverb" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • adhere ← addhere · adehre · adheer · adherre · adhhere · adhree · ahdere · dahere
  • adverb ← addverb · adevrb · advebr · adverbb · adverrb · advreb · advverb · avderb

Frequently Asked Questions

Can "adhere" and "adverb" be used interchangeably?
No - they are not even the same part of speech. "adhere" is a verb and "adverb" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "adhere" or "adverb"?
"adhere" is the more common of the two: it sits at frequency rank #13,452 in our English list, against #49,754 for "adverb". 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 "adhere" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adverb" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,228 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "adhere" and "adverb" also get mixed up with nearby pairs, the highest-scored neighbour is "adder vs adverb". 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 #84,228 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