Which to use
“spy” and “STR” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,799
- “spy” frequency rank
- #20,507
- “STR” frequency rank
- 25306
- confusion score
Side-by-Side Comparison
| Feature | spy | STR |
|---|---|---|
| Definition | A person who secretly watches and examines the actions of other individuals or organizations and gathers information on them (usually to gain an advantage). | Initialism of short tandem repeat. |
Letter map: spy vs STR
Shared letters muted; letters that set spy and STR apart highlighted. Shared run: 1.
Corpus notes: spy and STR
spy and STR are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25306, derived from the frequency rank of both members and their visual similarity.
spy is recorded at frequency rank #4,799, classified as anoun, pronounced /spaɪ/. STR is at rank #20,507, 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 25306, this pair ranks #395,310 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of spy vs STR
Shared letters: s. Private to "spy": py. Private to "STR": rt.
"spy" · 3 letters · shape CCV · "STR" · 3 letters · shape CCC
Frequently Asked Questions
Can "spy" and "STR" be used interchangeably?
Frequency check: "spy" vs "STR" - which ranks higher?
What to do next
You've compared "spy" and "STR". Here's where to go from here.
- Full dictionary entry for "spy" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "STR" - compare definitions side by side with the headword page. Word entry
- This pair ranks #395,310 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "spy" and "STR" also get mixed up with nearby pairs, the highest-scored neighbour is "STR vs sura". Nearby pair
Confusion rank #395,310 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.