stroller vs footer

stroller and footer both are nouns.

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

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

Other hypernyms of stroller include pedestrian, walker.

stroller (noun)	footer (noun)
a small vehicle with four wheels in which a baby or child is pushed around	a printed note placed below the text on a printed page
someone who walks at a leisurely pace	a person who travels by foot
	(used only in combinations) the height or length of something in feet