塩濃度[ennoudo] salt concentration
濃やか[komayaka] friendly
脂っ濃い[aburakkoi] greasy
濃い[koi] deep (colour)
濃褐色[noukasshoku] dark brown

濃厚[noukou] density
濃紺[noukon] dark blue
濃縮[noushuku] concentration (of a solution)
濃青色[nouseishoku] dark blue
濃淡[noutan] light and shade

あっ縮[asshuku] compression
圧縮空気[asshukukuuki] compressed air
圧縮性[asshukusei] compressibility
圧縮率[asshukuritsu] compressibility
畏縮[ishuku] wince

音声圧縮[onseiasshuku] voice compression
強縮[kyoushuku] tetanus
恐縮[kyoushuku] feeling obliged
凝縮[gyoushuku] condensation
緊縮[kinshuku] shrinkage