-corn
Word Origin
1 
a combining form meaning “having a horn,” of the kind specified by the initial element:
longicorn.
Origin
representing Latin -cornis horned
-corn
horned:
horned:
unicorn
-corn
I.\-ˌkȯrn, -ˌkȯ(ə)n\  noun combining form 
(-s) 
Etymology: Latin -cornis -horned, from cornu horn 
 : one having (such or so many) horns 
< unicorn >
II.adjective combining form 
Etymology: Latin -cornis 
 : having (such or so many) horns : horned 
I.
< unicorn >
II.
-corn
Suffix
- having (such) horns; one having (such) horns - unicorn
- Capricorn
- caducicorn
 
Etymology
Latin cornu (“horn”)