thickevsthicklyTell them apart

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

Which to use

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

#38,202
“thicke” frequency rank
#45,698
“thickly” frequency rank
83900
confusion score

Side-by-Side Comparison

Feature thicke thickly
Definition Obsolete spelling of thick. In a thick manner.

Letter map: thicke vs thickly

Shared letters muted; letters that set thicke and thickly apart highlighted. Shared run: 5. thicke runs 6 letters (CCVCCV) against thickly's 7 (CCVCCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
thicke
7 ch
thickly

Part-of-speech tell for thicke / thickly

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thicke is anadjective and thicklyanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 83900, derived from the frequency rank of both members and their visual similarity.

thicke is recorded at frequency rank #38,202, classified as anadj. thickly is at rank #45,698, tagged as anadv, pronounced /ˈθɪkli/.

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 83900, this pair ranks #12,968 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of thicke vs thickly

Shared letters: chikt. Private to "thicke": e. Private to "thickly": ly.

"thicke" · 6 letters · shape CCVCCV  ·  "thickly" · 7 letters · shape CCVCCCV

Known mistypes of this pair

  • thicke ← hticke · thcike · thhicke · thiccke · thicek · thickke · thikce · tihcke
  • thickly ← htickly · thcikly · thhickly · thicckly · thickkly · thicklly · thicklyy · thickyl

Frequently Asked Questions

Do "thicke" and "thickly" mean the same thing in a sentence?
No - they are not even the same part of speech. "thicke" is an adjective and "thickly" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "thicke" vs "thickly" - which ranks higher?
"thicke" is the more common of the two: it sits at frequency rank #38,202 in our English list, against #45,698 for "thickly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "thicke" and "thickly".

  • Full dictionary entry for "thicke" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thickly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,968 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thicke" and "thickly" also get mixed up with nearby pairs, the highest-scored neighbour is "thicket vs thickly". 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 #12,968 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