親代代

おやだいだい

inheritance

親の代

おやのだい

one's parents' generation

親代わり

おやがわり

(one acting as a) foster parent

親指世代

おやゆびせだい

thumb tribe; thumb generation; people who are constantly typing on their phones with their thumbs

親

おや しん

intimacy, closeness, friendliness

代

しろ だい よ

generation, age, reign

義親

ぎしん

parent according to law or convention but not biology, inlaws

養親

ようしん

adopter, adopting parent or parents, adoptive parent or parents, foster parent or parents

親切

しんせつ

kindness, gentleness

親藩

しんぱん

feudal domain owned by a Tokugawa family branch

親方

おやかた おやがた

stable master

親機

おやき

base unit, main telephone (esp. when there are extensions)

肉親

にくしん

blood relationship, blood relative

母親

ははおや

mother

親友

しんゆう

close friend, bosom (old, intimate) friend, buddy, crony, chum

父親

ちちおや

father

親指

おやゆび

thumb

親善

しんぜん

friendship

親戚

しんせき

relative, relation, kin