辛口 (からくち)dry taste (e.g. sake, wine); a liking for sake; one who likes sake

dry taste (e.g. sake, wine)noun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
a liking for sake; one who likes sakenoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
salty (taste)noun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
harsh; scathingnoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

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

Kanji in 辛口

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
辛勝しんしょうnarrow victory
人口じんこうpopulation
口くちmouth
窓口まどぐちcounter; window
入り口いりぐちentrance; entry
口座こうざaccount (e.g. bank)
大口おおぐちbig mouth; mouth opened wide
出口でぐちexit; gateway
口調くちょうtone (of voice); manner of talking

See how 辛口 connects to the rest of Japanese.