sumsvssupWhich spelling fits?

Quick tell: sums is a noun, sup is a verb, so they fill different roles in a sentence.

Which to use

“sums” is a noun and “sup” is a verb - they look or sound alike but fill different roles in a sentence.

#8,361
“sums” frequency rank
#13,818
“sup” frequency rank
22179
confusion score

Side-by-Side Comparison

Feature sums sup
Definition plural of sum To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

Where the eye mixes sums and sup

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
sums
3 ch
sup

Why the eye confuses sums with sup

These two trip readers on the page rather than in the ear: sums is /sʌmz/ while sup is /sʌp/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 22179, derived from the frequency rank of both members and their visual similarity.

sums is recorded at frequency rank #8,361, classified as anoun, pronounced /sʌmz/. sup is at rank #13,818, tagged as averb, pronounced /sʌp/.

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 22179, this pair ranks #418,465 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sums vs sup

Shared letters: su. Private to "sums": m. Private to "sup": p.

"sums" · 4 letters · shape CVCC  ·  "sup" · 3 letters · shape CVC

Known mistypes of this pair

  • sumssmus · ssums · summs · sumss · susm · usms

Frequently Asked Questions

Can "sums" and "sup" be used interchangeably?
No - they are not even the same part of speech. "sums" is a noun and "sup" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sums" vs "sup" - which ranks higher?
"sums" is the more common of the two: it sits at frequency rank #8,361 in our English list, against #13,818 for "sup". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "sums" and "sup" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sums" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #418,465 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sums" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "sup vs sura". 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 #418,465 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