辛酸 (しんさん)hardships; privation

辛酸, its kanji, and other words that share them.Open this graph

Kanji in 辛酸

辛口からくちdry taste (e.g. sake, wine)
辛うじてかろうじてbarely; narrowly
辛いからいspicy; hot
唐辛子とうがらしcapsicum (Capsicum annuum, esp. the cultivated chili peppers); chili pepper (chile, chilli)
塩辛しおからshiokara; paste made from salted fermented seafood (squid, fish entrails, etc.)
塩辛いしおからいsalty (taste); briny
甘辛あまからsweetness and saltiness; salted and sweetened taste
辛かのと8th in rank; eighth sign of the Chinese calendar
酸化さんかoxidation; oxidization
酸性さんせいacidity
酸素さんそoxygen (O)
酸さんacid
一酸化炭素いっさんかたんそcarbon monoxide
核酸かくさんnucleic acid
アミノ酸アミノさんamino acid
乳酸にゅうさんlactic acid

See how 辛酸 connects to the rest of Japanese.