English homophones
canine/K9
"canine" is an adjective; "K9" is a noun - grammar picks the spelling, not sound. Size rank #133 of 1,007 English groups.
Data vintage
Grammar picks the spelling
Same sound, different grammar: "canine" arrives as an adjective, while "K9" is a noun. Once the sentence role is fixed, only one spelling fits.
Spelling pairs in this cluster
- No shared spelling stem: "canine" is 6 letters, "K9" is 2; only the sound ties them.
Orthographic DNA of this cluster
Shared letters across canine, K9: none. Private letters are the ones only one spelling owns: the eye's fastest tell once sound is out of the picture.
canine
6 letters · 3 vowels · shape CVCVCV
Inventory acein · private acein
K9
1 letters · 0 vowels · shape C
Inventory k · private k
Pick the spelling from the meaning
- Write "canine" when you mean: Of, or pertaining to, a dog or dogs.
- Write "K9" when you mean: A trained police dog.
Known mistypes of these spellings
Edit-distance variants recorded against this cluster: useful when a search or OCR feed lands on the wrong form.
- canine ← acnine · cainne · canien · caninne · cannie · cannine
Each spelling
Nearby English homophone groups
What to do next
You've reviewed the 2-spelling cluster (canine, K9). Here's where to go from here.
- "canine" is the most frequent headword in this 2-spelling cluster (rank #18,778 in English). Full entry
- Among English homophone groups, a cluster of 2 spellings ranks #133 by size (1,007 groups in this vintage). Corpus statistics
- Explore a nearby 2-spelling cluster: chewy · chewie. Nearby cluster
- Grammar often disambiguates this cluster, match the meaning to the part of speech before picking a spelling. Pick by meaning
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.