Which to use
“pesky” is an adjective and “pesto” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,528
- “pesky” frequency rank
- #33,789
- “pesto” frequency rank
- 59317
- confusion score
Side-by-Side Comparison
| Feature | pesky | pesto |
|---|---|---|
| Definition | Annoying, troublesome, irritating (usually of an animal or child). | A sauce, especially for pasta, originating from the Genoa region in Italy, made from basil, garlic, pine nuts, olive oil and cheese (usually pecorino). |
Where the spellings diverge
Shared letters are muted; the letters that actually set pesky and pesto apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
pesky and pesto form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 59317, derived from the frequency rank of both members and their visual similarity.
pesky is recorded at frequency rank #25,528, classified as anadj, pronounced /ˈpɛski/. pesto is at rank #33,789, tagged as anoun, pronounced /ˈpɛstoʊ/.
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 59317, this pair ranks #106,981 of 530,003 scored English confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "pesky" and "pesto" be used interchangeably?
Remembering pesky vs pesto
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “pesky”; for a noun, it's “pesto”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “pesky” entry
- Browse more pairs most likely to be confused. Most confusable