birth mother

noun 0.863

birth father

noun 0.852

parent

noun 0.674

parental

noun 0.666

adoptive mother

noun 0.657

foster parent

noun 0.646

parentage

noun 0.632

adoptive father

noun 0.629

co-parent

noun 0.628

single parent

noun 0.620

adoptee

noun 0.613

natural son

noun 0.605

noncustodial parent

noun 0.592

genitor

noun 0.585

foster mother

noun 0.577

closed adoption

noun 0.563

paternity

noun 0.562

father

noun 0.552

mixed parentage

noun 0.549

parenthood

noun 0.549

foster child

noun 0.544

family of orientation

noun 0.542

birthplace

noun 0.541

firstborn

noun 0.538

pollen parent

noun 0.538

foster family

noun 0.536

birthright

noun 0.536

birth

noun 0.528

mother-to-be

noun 0.526

paternity test

noun 0.525

surrogate father

noun 0.523

natural birth

noun 0.523

half brother

noun 0.522

progenitor

noun 0.521

ancestor

noun 0.519

parental love

noun 0.518

paternal grandfather

noun 0.516

mother

noun 0.515

purebred

noun 0.515

maternal

noun 0.514

surrogate mother

noun 0.514

blood relation

noun 0.512

ancestress

noun 0.512

great-grandparent

noun 0.511

deadbeat dad

noun 0.511

family member

noun 0.511

breeder

noun 0.510

padre

noun 0.510

single mother

noun 0.506

single-parent family

noun 0.505

paternal grandmother

noun 0.505

first cousin

noun 0.503

family history

noun 0.503

foster

noun 0.502

ancestry

noun 0.502

foster home

noun 0.501

forefather

noun 0.501