bothersome vs pestiferous

bothersome and pestiferous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bothersome	No	Yes	No	No
pestiferous	No	Yes	No	No

As adjectives, bothersome and pestiferous are synonyms defined as:

Other synonyms of bothersome include annoying, galling, irritating, nettlesome, pesky, pestering, plaguey, plaguy, teasing, vexatious, vexing.

bothersome (adjective)	pestiferous (adjective)
causing irritation or annoyance	causing irritation or annoyance
	likely to spread and cause an epidemic disease
	tending to corrupt or pervert
	contaminated with infecting organisms