キュウ

す.う

吸, 口, 及, 丿, 又

suck, imbibe, inhale, sip

呼吸(こきゅう): (1) breath; respiration (2) knack; trick; secret (of doing something)
吸収(きゅうしゅう): absorption; suction; attraction
吸う(すう): (1) to smoke; to breathe in; to inhale (2) to suck; to sip; to slurp (3) to absorb; to soak up (4) to kiss