キュウ

およ.ぶ、およ.び、および、およ.ぼす

及, 丿, 又

reach out, exert, exercise, cause

普及(ふきゅう): diffusion; spread; popularization; promulgation; familiarization
追及(ついきゅう): (1) investigation (e.g. into someone's guilt); questioning; pressing; hounding; pinning down (2) catching up; overtaking
及ぶ(およぶ): (1) to reach; to amount to; to befall; to happen to; to extend (2) to be up to the task; to come up to (3) to compare with; to be a match (for) (4) to commit (a crime) (5) to require (to do) (usu. used in the negative)
及ぼす(およぼす): to exert; to cause; to exercise
及び(および): and; as well as