develop vs conjecture

develop is not a noun while conjecture is a noun.

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

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

Other hypernyms of develop include hypothecate, hypothesise, hypothesize, speculate, suppose, theorise, theorize.

develop (noun)	conjecture (noun)
	a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
	reasoning that involves the formation of conclusions from incomplete evidence
	a message expressing an opinion based on incomplete evidence

develop (verb)	conjecture (verb)
come to have or undergo a change of (physical features and attributes)	to believe especially on uncertain or tentative grounds
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