topazvstopicWhat's the difference?

Quick tell: topaz is a noun, topic is an adjective, so they fill different roles in a sentence.

Which to use

“topaz” is a noun and “topic” is an adjective - they look or sound alike but fill different roles in a sentence.

#34,322
“topaz” frequency rank
#3,093
“topic” frequency rank
37415
confusion score

Side-by-Side Comparison

Feature topaz topic
Definition A silicate mineral of aluminium and fluorine, usually tinted by impurities. topical

Where the eye mixes topaz and topic

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

5 ch
topaz
5 ch
topic

Why the eye confuses topaz with topic

These two trip readers on the page rather than in the ear: topaz is /ˈtəʊˌpæz/ while topic is /ˈtɒpɪk/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 37415, derived from the frequency rank of both members and their visual similarity.

topaz is recorded at frequency rank #34,322, classified as anoun, pronounced /ˈtəʊˌpæz/. topic is at rank #3,093, tagged as anadj, pronounced /ˈtɒpɪk/.

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 37415, this pair ranks #294,773 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of topaz vs topic

Shared letters: opt. Private to "topaz": az. Private to "topic": ci.

"topaz" · 5 letters · shape CVCVC  ·  "topic" · 5 letters · shape CVCVC

Known mistypes of this pair

  • topazotpaz · toapz · topazz · toppaz · topza · tpoaz · ttopaz
  • topicotpic · toipc · topci · topicc · toppic · tpoic · ttopic

Frequently Asked Questions

Do "topaz" and "topic" mean the same thing in a sentence?
No - they are not even the same part of speech. "topaz" is a noun and "topic" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "topaz" vs "topic" - which ranks higher?
"topic" is the more common of the two: it sits at frequency rank #3,093 in our English list, against #34,322 for "topaz". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "topaz" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "topic" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #294,773 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "topaz" and "topic" also get mixed up with nearby pairs, the highest-scored neighbour is "toma vs topaz". 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 #294,773 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