nastyvsNatWhich spelling fits?

Quick tell: nasty is a adjective, Nat is a name, so they fill different roles in a sentence.

Which to use

“nasty” is an adjective and “Nat” is a name - they look or sound alike but fill different roles in a sentence.

#4,966
“nasty” frequency rank
#10,409
“Nat” frequency rank
15375
confusion score

Side-by-Side Comparison

Feature nasty Nat
Definition Dirty, filthy. A unisex given name.

Where the eye mixes nasty and Nat

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

5 ch
nasty
3 ch
Nat

Look-alike desk: nasty vs Nat

These two trip readers on the page rather than in the ear: nasty is /ˈnaː.sti/ while Nat is /næt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 15375, derived from the frequency rank of both members and their visual similarity.

nasty is recorded at frequency rank #4,966, classified as anadj, pronounced /ˈnaː.sti/. Nat is at rank #10,409, tagged as aname, pronounced /næt/.

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 15375, this pair ranks #464,317 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of nasty vs Nat

Shared letters: ant. Private to "nasty": sy. Private to "Nat": -.

"nasty" · 5 letters · shape CVCCV  ·  "Nat" · 3 letters · shape CVC

Known mistypes of this pair

  • nastyansty · nassty · nastty · nastyy · nasyt · natsy · nnasty · nsaty

Frequently Asked Questions

Is swapping "nasty" for "Nat" ever safe?
No - they are not even the same part of speech. "nasty" is an adjective and "Nat" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nasty" or "Nat"?
"nasty" is the more common of the two: it sits at frequency rank #4,966 in our English list, against #10,409 for "Nat". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "nasty" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Nat" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #464,317 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nasty" and "Nat" also get mixed up with nearby pairs, the highest-scored neighbour is "Nat vs NPL". 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 #464,317 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