tiller vs develop

tiller is a noun but develop is not a noun.

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

As verbs, develop is a hypernym of tiller; that is, develop is a word with a broader meaning than tiller:

tiller: grow shoots in the form of stools or tillers
develop: come to have or undergo a change of (physical features and attributes)

Other hypernyms of tiller include acquire, get, grow, produce.

tiller (noun)	develop (noun)
lever used to turn the rudder on a boat
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)
someone who tills land (prepares the soil for the planting of crops)
a shoot that sprouts from the base of a grass

tiller (verb)	develop (verb)
grow shoots in the form of stools or tillers	come to have or undergo a change of (physical features and attributes)
	grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment
	cause to grow and differentiate in ways conforming to its natural development
	happen
	change the use of and make available or usable
	be gradually disclosed or unfolded; become manifest
	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