thickvsticsWhich spelling fits?

Quick tell: thick is a adjective, tics is a verb, so they fill different roles in a sentence.

Which to use

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

#3,265
“thick” frequency rank
#45,122
“tics” frequency rank
48387
confusion score

Side-by-Side Comparison

Feature thick tics
Definition Relatively great in extent from one surface to the opposite in its smallest solid dimension. third-person singular simple present indicative of tic

Where the eye mixes thick and tics

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
thick
4 ch
tics

Look-alike desk: thick vs tics

These two trip readers on the page rather than in the ear: thick is /θɪk/ while tics is /tɪks/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48387, derived from the frequency rank of both members and their visual similarity.

thick is recorded at frequency rank #3,265, classified as anadj, pronounced /θɪk/. tics is at rank #45,122, tagged as averb, pronounced /tɪks/.

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 48387, this pair ranks #193,546 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thick vs tics

Shared letters: cit. Private to "thick": hk. Private to "tics": s.

"thick" · 5 letters · shape CCVCC  ·  "tics" · 4 letters · shape CVCC

Known mistypes of this pair

  • thickhtick · thcik · thhick · thicck · thickk · thikc · tihck · tthick
  • ticsitcs · tcis · ticcs · ticss · tisc · ttics

Frequently Asked Questions

Is swapping "thick" for "tics" ever safe?
No - they are not even the same part of speech. "thick" is an adjective and "tics" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "thick" or "tics"?
"thick" is the more common of the two: it sits at frequency rank #3,265 in our English list, against #45,122 for "tics". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "thick" and "tics" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "thick" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tics" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #193,546 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thick" and "tics" also get mixed up with nearby pairs, the highest-scored neighbour is "tics vs tik". 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 #193,546 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