嘔気 is read as おうき (ouki) and means nausea.
おうき
ouki
おうと
Nausea (novel by Sartre)
ふんいき
(Earth's) atmosphere
しっけ
moisture
いやき
dislike
けいき
good (economic) times
かっき
energy
くうき
air
にんき
popularity
つよき
bullish
げんき
healthy
びょうき
illness (usu. excluding minor ailments, e.g. common cold)
き
consciousness