great-grandfather

noun 0.882

great-great-grandmother

noun 0.829

great-grandson

noun 0.783

grandfather

noun 0.736

grandparenthood

noun 0.728

grandpop

noun 0.709

granddaddy

noun 0.707

grandmother

noun 0.698

grandpa

noun 0.695

granduncle

noun 0.695

grandmom

noun 0.687

paternal grandfather

noun 0.686

grandpappy

noun 0.681

paternal grandmother

noun 0.679

granddad

noun 0.675

grampa

noun 0.675

grandpapa

noun 0.670

grandkid

noun 0.666

maternal grandfather

noun 0.664

grandsire

noun 0.664

grandma

noun 0.659

maternal grandmother

noun 0.656

grandmamma

noun 0.649

grandbaby

noun 0.644

grand

noun 0.639

granny

noun 0.635

grandaunt

noun 0.624

grandmotherhood

noun 0.617

great-nephew

noun 0.609

second cousin

noun 0.605

gramps

noun 0.590

grandam

noun 0.583

granda

noun 0.576

nonna

noun 0.566

ancestor

noun 0.566

forefather

noun 0.565

ancestress

noun 0.557

fourth cousin

noun 0.552

fifth cousin

noun 0.547

primogenitor

noun 0.547

second cousin once removed

noun 0.546

extended family

noun 0.540

forebear

noun 0.540

grandfathering

noun 0.536

grandfather clock

noun 0.532

descendant

noun 0.529

grandfather clause

noun 0.528

common ancestor

noun 0.527

baby grand

noun 0.524

first cousin

noun 0.522

grandee

noun 0.521

eldest

noun 0.518

parent

noun 0.516

oldest

noun 0.515

family historian

noun 0.511

birth parent

noun 0.511

ancestry

noun 0.510

progenitor

noun 0.510

genealogy

noun 0.505

third grader

noun 0.505

elder

noun 0.500