plodder vs plod

plodder and plod both are nouns.

Word	Noun	Adjective	Verb	Adverb
plodder	Yes	No	No	No
plod	Yes	No	Yes	No

plodder (noun)	plod (noun)
someone who moves slowly	the act of walking with a slow heavy gait
someone who works slowly and monotonously for long hours
someone who walks in a laborious heavy-footed manner

plodder (verb)	plod (verb)
	walk heavily and firmly, as when weary, or through mud