birth parent

noun 0.852

birth mother

noun 0.813

adoptive father

noun 0.722

father

noun 0.690

surrogate father

noun 0.636

natural son

noun 0.619

deadbeat dad

noun 0.614

adoptive mother

noun 0.612

father-in-law

noun 0.606

stepdad

noun 0.605

half brother

noun 0.604

paternal grandfather

noun 0.591

dad

noun 0.588

fatherhood

noun 0.586

paternity

noun 0.581

parent

noun 0.572

padre

noun 0.571

foster parent

noun 0.569

noncustodial parent

noun 0.567

parentage

noun 0.563

foster mother

noun 0.562

daddy

noun 0.559

parental

noun 0.553

father figure

noun 0.550

fatherlessness

noun 0.548

forefather

noun 0.544

maternal grandfather

noun 0.543

genitor

noun 0.537

co-parent

noun 0.537

grandfather

noun 0.537

single parent

noun 0.534

paternal grandmother

noun 0.534

foster child

noun 0.533

adoptee

noun 0.533

paternity test

noun 0.532

foster family

noun 0.530

pater

noun 0.527

fatha

noun 0.527

stepdaddy

noun 0.526

godfather

noun 0.524

family of orientation

noun 0.520

bastardy

noun 0.518

paternal aunt

noun 0.515

half sister

noun 0.514

patriline

noun 0.509

fother

noun 0.508

stepfamily

noun 0.508

family history

noun 0.508

closed adoption

noun 0.506

farter

noun 0.505

maternal uncle

noun 0.505

paternity leave

noun 0.504

ex-husband

noun 0.504

first cousin

noun 0.504

single mother

noun 0.501

birthright

noun 0.500