plough on vs move on

plough on and move on both are verbs.

Word	Noun	Adjective	Verb	Adverb
plough on	No	No	Yes	No
move on	No	No	Yes	No

As verbs, move on is a hypernym of plough on; that is, move on is a word with a broader meaning than plough on:

Other hypernyms of plough on include advance, go on, march on, pass on, progress.

plough on (verb)	move on (verb)
continue moving forward	move forward, also in the metaphorical sense