拒む[kobamu] to refuse
拒食[kyoshoku] refusing food
拒食症[kyoshokushou] anorexia
拒絶[kyozetsu] refusal
拒絶反応[kyozetsuhannou] (organ) rejection

拒否[kyohi] denial
拒否権[kyohiken] right of veto
登校拒否[toukoukyohi] truancy
拒ぐ[fusegu] to defend (against)
抗拒[koukyo] resistance