hatvsHMASWhat's the difference?

Which to use

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

#2,835
“hat” frequency rank
#47,099
“HMAS” frequency rank
49934
confusion score

Side-by-Side Comparison

Feature hat HMAS
Definition A covering for the head, often in the approximate form of a cone, dome or cylinder closed at its top end, and sometimes having a brim and other decoration. His/Her Majesty's Australian Ship; the designation of Australian ships and naval bases.

Letter map: hat vs HMAS

Shared letters muted; letters that set hat and HMAS apart highlighted. Shared run: 2.

3 ch
hat
4 ch
HMAS

Spelling & dictionary notes on hat vs HMAS

hat and HMAS 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 49934, derived from the frequency rank of both members and their visual similarity.

hat is recorded at frequency rank #2,835, classified as anoun, pronounced /hæt/. HMAS is at rank #47,099, tagged as anoun.

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 49934, this pair ranks #178,908 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hat vs HMAS

Shared letters: ah. Private to "hat": t. Private to "HMAS": ms.

"hat" · 3 letters · shape CVC  ·  "HMAS" · 4 letters · shape CCVC

Known mistypes of this pair

  • HMAShhmas · hmass · hmmas · hmsa · mhas

Frequently Asked Questions

Can "hat" and "HMAS" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "hat" or "HMAS"?
"hat" is the more common of the two: it sits at frequency rank #2,835 in our English list, against #47,099 for "HMAS". 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 "hat" and "HMAS".

  • Full dictionary entry for "hat" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "HMAS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #178,908 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "hat" and "HMAS" also get mixed up with nearby pairs, the highest-scored neighbour is "HMAS vs humps". 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 #178,908 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