snugvssuWhich spelling fits?

Quick tell: snug is a adjective, su is a noun, so they fill different roles in a sentence.

Which to use

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

#25,585
“snug” frequency rank
#8,094
“su” frequency rank
33679
confusion score

Side-by-Side Comparison

Feature snug su
Definition Warm and comfortable; cosy. Alternative form of xu (“former Vietnamese currency”).

Letter map: snug vs su

Shared letters muted; letters that set snug and su apart highlighted. Shared run: 2.

4 ch
snug
2 ch
su

Role in the sentence - snug and su

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: snug is anadjective and suanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 33679, derived from the frequency rank of both members and their visual similarity.

snug is recorded at frequency rank #25,585, classified as anadj, pronounced /snʌɡ/. su is at rank #8,094, 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 33679, this pair ranks #327,320 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of snug vs su

Shared letters: su. Private to "snug": gn. Private to "su": -.

"snug" · 4 letters · shape CCVC  ·  "su" · 2 letters · shape CV

Known mistypes of this pair

  • snugnsug · sngu · snnug · snugg · ssnug

Frequently Asked Questions

Is swapping "snug" for "su" ever safe?
No - they are not even the same part of speech. "snug" is an adjective and "su" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "snug" vs "su" - which ranks higher?
"su" is the more common of the two: it sits at frequency rank #8,094 in our English list, against #25,585 for "snug". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "snug" and "su". Here's where to go from here.

  • Full dictionary entry for "snug" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #327,320 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "snug" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "SNA vs snug". 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 #327,320 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