blunder vs talk

blunder and talk both are nouns.

Word	Noun	Adjective	Verb	Adverb
blunder	Yes	No	Yes	No
talk	Yes	No	Yes	No

As verbs, talk is a hypernym of blunder; that is, talk is a word with a broader meaning than blunder:

Other hypernyms of blunder include mouth, speak, utter, verbalise, verbalize.

blunder (noun)	talk (noun)
an embarrassing mistake	the act of giving a talk to an audience
	an exchange of ideas via conversation
	idle gossip or rumor
	a speech that is open to the public
	discussion; (`talk about' is a less formal alternative for `discussion of')

blunder (verb)	talk (verb)
utter impulsively	express in speech
make one's way clumsily or blindly	exchange thoughts; talk with
commit a faux pas or a fault or make a serious mistake	reveal information
	use language
	deliver a lecture or talk
	divulge confidential information or secrets