Which to use
“sizing” is a noun and “spying” is a verb - they look or sound alike but fill different roles in a sentence.
- #22,506
- “sizing” frequency rank
- #12,145
- “spying” frequency rank
- 34651
- confusion score
Side-by-Side Comparison
| Feature | sizing | spying |
|---|---|---|
| Definition | A gelatinous glue for glazing or sizing canvas, paper, plaster or wood; often made from animal skins. | present participle and gerund of spy |
Where the eye mixes sizing and spying
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses sizing with spying
These two trip readers on the page rather than in the ear: sizing is /ˈsaɪzɪŋ/ while spying is /ˈspaɪ.ɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34651, derived from the frequency rank of both members and their visual similarity.
sizing is recorded at frequency rank #22,506, classified as anoun, pronounced /ˈsaɪzɪŋ/. spying is at rank #12,145, tagged as averb, pronounced /ˈspaɪ.ɪŋ/.
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 34651, this pair ranks #318,926 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sizing vs spying
Shared letters: gins. Private to "sizing": z. Private to "spying": py.
"sizing" · 6 letters · shape CVCVCC · "spying" · 6 letters · shape CCVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sizing" for "spying" ever safe?
In ordinary English text, does "sizing" or "spying" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sizing" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spying" - compare definitions side by side with the headword page. Word entry
- This pair ranks #318,926 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sizing" and "spying" also get mixed up with nearby pairs, the highest-scored neighbour is "sizing vs suiting". 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 #318,926 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.