sterile vs unfruitful

sterile and unfruitful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sterile	No	Yes	No	No
unfruitful	No	Yes	No	No

sterile (adjective)	unfruitful (adjective)
incapable of reproducing	not fruitful; not conducive to abundant production
free of or using methods to keep free of pathological microorganisms
deficient in originality or creativity; lacking powers of invention