smell

[1]	scent , sniff , (Colloq) get a whiff of
[2]	stink , reek , (Colloq) (Brit) pong , hum
[3]	smack , reek
[4]	smell out , sense

[1]	odor , odour , scent , odour , olfactory sensation , aroma , perfume , olfactory perception , fragrance , bouquet , breath , whiff
[2]	stink , olfactory property , aroma , stench , fetor/foetor , odor , odour , fetidness , mephitis , scent , effluvium , (Colloq) (Brit) pong
[3]	spirit , tone , feel , feeling , flavor , flavour , look
[4]	sense of smell , olfaction , olfactory modality
[5]	smelling