THTvstopWhat's the difference?

Which to use

“THT” and “top” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#42,949
“THT” frequency rank
#244
“top” frequency rank
43193
confusion score

Side-by-Side Comparison

Feature THT top
Definition Initialism of through-hole technology. The highest or uppermost part of something.

Letter map: THT vs top

Shared letters muted; letters that set THT and top apart highlighted. Shared run: 1.

3 ch
THT
3 ch
top

Corpus notes: THT and top

THT and top are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43193, derived from the frequency rank of both members and their visual similarity.

THT is recorded at frequency rank #42,949, classified as anoun. top is at rank #244, tagged as anoun, pronounced /tɒp/.

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 43193, this pair ranks #242,356 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of THT vs top

Shared letters: t. Private to "THT": h. Private to "top": op.

"THT" · 3 letters · shape CCC  ·  "top" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "THT" for "top" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "THT" vs "top" - which ranks higher?
"top" is the more common of the two: it sits at frequency rank #244 in our English list, against #42,949 for "THT". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "THT" and "top".

  • Full dictionary entry for "THT" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "top" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #242,356 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "THT" and "top" also get mixed up with nearby pairs, the highest-scored neighbour is "THT vs tuft". Nearby pair

Confusion rank #242,356 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