Remorse, coarse, force, gorse, course, source, of course, enforce, intercourse.
Boars is a good match. Horse could rhyme with bores, depending on how you pronounce it.
Mare
No animal name rhymes with "trouble".
The adult male deer, particularly a red deer, is called a stag. An "old, tired" horse is called a nag.
animal name that has the same vowel sound of apple.
Cobra
candon
cow, sow
passion?
hornbill
A newt.
Babble