- 役に立つ【やくにたつ】 - to be helpful, to be useful 
- 役目【やくめ】 - duty, role, function 
- 主役【しゅやく】 - leading part, leading actor, leading actress 
- 役割【やくわり】 - part, assigning (allotment of) parts, role, duties 
- 役者【やくしゃ】 - actor, actress, man of wits, clever person, cunning fellow 
- 役立つ【やくだつ】 - to be useful, to be helpful, to serve the purpose 
- 役立たず【やくたたず】 - useless, deadhead 
- 役人【やくにん】 - government official 
- 服役【ふくえき】 - penal servitude, serving time in prison, military service, forced labor, compulsory service 
- 役員【やくいん】 - director, executive, officer, official, person in charge 
- 懲役【ちょうえき】 - penal servitude, imprisonment with hard labor (hard labour) 
- 現役【げんえき】 - active duty, active service, student taking (university) entrance exams while still enrolled in school, student who passed their university entrance exams on the first try 
- 代役【だいやく】 - substitute (actor), stand-in, fill-in, understudy, double 
- 取締役【とりしまりやく】 - company director, board member 
- 役所【やくしょ】 - government office, public office 
- 市役所【しやくしょ】 - municipal office, council, city hall 
- 区役所【くやくしょ】 - ward office, council (regional) 
- 役場【やくば】 - town hall 
- 重役【じゅうやく】 - (company) director, executive, top management, important post, role with heavy responsibilities 
- 兵役【へいえき】 - military service, conscription