temporal canthus vs canthus

temporal canthus and canthus both are nouns.

Word	Noun	Adjective	Verb	Adverb
temporal canthus	Yes	No	No	No
canthus	Yes	No	No	No

As nouns, canthus is a hypernym of temporal canthus; that is, canthus is a word with a broader meaning than temporal canthus:

temporal canthus: the outer corner of the eye
canthus: either of the corners of the eye where the upper and lower eyelids meet

temporal canthus (noun)	canthus (noun)
the outer corner of the eye	either of the corners of the eye where the upper and lower eyelids meet