Which to use
“SLA” is a name and “spy” is a noun - they look or sound alike but fill different roles in a sentence.
- #35,938
- “SLA” frequency rank
- #4,799
- “spy” frequency rank
- 40737
- confusion score
Side-by-Side Comparison
| Feature | SLA | spy |
|---|---|---|
| Definition | Initialism of Sudan Liberation Army. | A person who secretly watches and examines the actions of other individuals or organizations and gathers information on them (usually to gain an advantage). |
Where the eye mixes SLA and spy
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses SLA with spy
These two trip readers on the page rather than in the ear: SLA is /ɛs ɛl eɪ̯/ while spy is /spaɪ/. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40737, derived from the frequency rank of both members and their visual similarity.
SLA is recorded at frequency rank #35,938, classified as aname, pronounced /ɛs ɛl eɪ̯/. spy is at rank #4,799, tagged as anoun, pronounced /spaɪ/.
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 40737, this pair ranks #264,845 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of SLA vs spy
Shared letters: s. Private to "SLA": al. Private to "spy": py.
"SLA" · 3 letters · shape CCV · "spy" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "SLA" for "spy" ever safe?
In ordinary English text, does "SLA" or "spy" show up more?
After this comparison
Eye-level mix-up between "SLA" and "spy" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "SLA" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #264,845 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "SLA" and "spy" also get mixed up with nearby pairs, the highest-scored neighbour is "SLA vs sura". Nearby pair
Confusion rank #264,845 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.