Russian ⇄ English

нюхнуть v stresses
gen.	sniff; nuzzle; smell (at); snuff
fig., inf.	be on the track (of); sniff out; find out (about); nose out
Gruzovik, inf.	take a sniff of (semelfactive of нюхать); acquire (semelfactive of нюхать); assimilate (semelfactive of нюхать); learn (semelfactive of нюхать)
inf.	learn; acquire; assimilate
нюхнуться v
Gruzovik, inf.	sniff one another (semelfactive of нюхаться); smell one another (semelfactive of нюхаться)
inf.	sniff; smell one another
inf., fig.	associate with

нюхнуть: 2 phrases in 2 subjects

American usage, not spelling	1
Idiomatic	1