拒否【きょひ】
refusal, rejection, denial, veto
拒む【こばむ】
to refuse, to reject, to decline, to prevent (from doing), to deny (e.g. access), to block
拒絶【きょぜつ】
refusal, rejection
拒否権【きょひけん】
right of veto
拒絶反応【きょぜつはんのう】
(organ) rejection, unthinking dismissal, strong reaction (against)
拒食症【きょしょくしょう】
anorexia