rut vs delve

rut is a noun but delve is not a noun.

Word	Noun	Adjective	Verb	Adverb
rut	Yes	No	Yes	No
delve	No	No	Yes	No

As verbs, delve is a hypernym of rut; that is, delve is a word with a broader meaning than rut:

Other hypernyms of rut include cut into, dig, turn over.

rut (noun)	delve (noun)
a settled and monotonous routine that is hard to escape
a groove or furrow (especially one in soft earth caused by wheels)
applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

rut (verb)	delve (verb)
hollow out in the form of a furrow or groove	turn up, loosen, or remove earth
be in a state of sexual excitement; of male mammals