plodder vs footer

plodder and footer both are nouns.

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

As nouns, footer is a hypernym of plodder; that is, footer is a word with a broader meaning than plodder:

Other hypernyms of plodder include pedestrian, walker.

plodder (noun)	footer (noun)
someone who moves slowly	a printed note placed below the text on a printed page
someone who works slowly and monotonously for long hours	a person who travels by foot
someone who walks in a laborious heavy-footed manner	(used only in combinations) the height or length of something in feet