今春[konshun] this spring
昨春[sakushun] last spring
三春[sanshun] three spring months
思春期[shishunki] puberty
春たけなわ[harutakenawa] spring is in full swing

春めく[harumeku] to become spring-like
春一番[haruichiban] first storm of spring
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
春画[shunga] shunga

椿油[tsubakiabura] camellia oil
椿事[chinji] strange occurrence
寒椿[kantsubaki] camellia-like plant native to China
夏椿[natsutsubaki] Japanese stewartia (Stewartia pseudocamellia)
椿象[kamemushi] shield bug

椿桃[tsubaimomo] nectarine
刺椿象[sashigame] assassin bug (any insect of family Reduviidae)
椿象目[kamemushimoku] Hemiptera (taxonomic order comprising the true bugs)
姫椿[himetsubaki] Chinese guger tree (species of evergreen, Schima wallichii)