develop vs swell

develop is not a noun while swell is a noun.

Word	Noun	Adjective	Verb	Adverb
develop	No	No	Yes	No
swell	Yes	Yes	Yes	No

As verbs, swell is a hyponym of develop; that is, swell is a word with a more specific, narrower meaning than develop:

Other hyponyms of develop include resurge, come forth, emerge, come, follow, well up, head.

develop (noun)	swell (noun)
	a crescendo followed by a decrescendo
	the undulating movement of the surface of the open sea
	a rounded elevation (especially one on an ocean floor)
	a man who is much concerned with his dress and appearance

develop (adjective)	swell (adjective)
	excellent

develop (verb)	swell (verb)
come to have or undergo a change of (physical features and attributes)	expand abnormally
grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment	cause to become swollen
cause to grow and differentiate in ways conforming to its natural development	increase in size, magnitude, number, or intensity
happen	come up, as of a liquid
change the use of and make available or usable	become filled with pride, arrogance, or anger
be gradually disclosed or unfolded; become manifest	come up (as of feelings and thoughts, or other ephemeral things)
gain through experience
become technologically advanced
grow emotionally or mature
expand in the form of a series
elaborate by the unfolding of a musical idea and by the working out of the rhythmic and harmonic changes in the theme
create by training and teaching
elaborate, as of theories and hypotheses
move into a strategically more advantageous position
move one's pieces into strategically more advantageous positions
superimpose a three-dimensional surface on a plane without stretching, in geometry
work out
make something new, such as a product or a mental or artistic creation
generate gradually
make visible by means of chemical solutions
come into existence; take on form or shape