whiff vs sniff

whiff and sniff both are nouns.

Word	Noun	Adjective	Verb	Adverb
whiff	Yes	No	Yes	No
sniff	Yes	No	Yes	No

As verbs, whiff and sniff are synonyms defined as:

whiff (noun)	sniff (noun)
a strikeout resulting from the batter swinging at and missing the ball for the third strike	sensing an odor by inhaling through the nose
a lefteye flounder found in coastal waters from New England to Brazil
a short light gust of air

whiff (verb)	sniff (verb)
utter with a puff of air	inhale audibly through the nose
smoke and exhale strongly	perceive by inhaling through the nose
strike out by swinging and missing the pitch charged as the third
drive or carry as if by a puff of air
perceive by inhaling through the nose