steps vs ladder

steps and ladder both are nouns.

Word	Noun	Adjective	Verb	Adverb
steps	Yes	No	No	No
ladder	Yes	No	Yes	No

As nouns, ladder is a hyponym of steps; that is, ladder is a word with a more specific, narrower meaning than steps:

steps: a flight of stairs or a flight of steps
ladder: steps consisting of two parallel members connected by rungs; for climbing up or down

steps (noun)	ladder (noun)
a flight of stairs or a flight of steps	steps consisting of two parallel members connected by rungs; for climbing up or down
the course along which a person has walked or is walking in	a row of unravelled stitches
	ascending stages by which somebody or something can progress

steps (verb)	ladder (verb)
	come unraveled or undone as if by snagging