develop vs drill

develop is not a noun while drill is a noun.

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

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

Other hyponyms of develop include retrain, house-train, housebreak, toilet-train.

develop (noun)	drill (noun)
	systematic training by multiple repetitions
	(military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
	similar to the mandrill but smaller and less brightly colored
	a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)

develop (verb)	drill (verb)
come to have or undergo a change of (physical features and attributes)	learn by repetition
grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment	teach by repetition
cause to grow and differentiate in ways conforming to its natural development	train in the military, e.g., in the use of weapons
happen	undergo military training or do military exercises
change the use of and make available or usable	make a hole, especially with a pointed power or hand tool
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