runt

noun 0.765

baby of the family

noun 0.653

pick of the litter

noun 0.613

lastborn

noun 0.599

underdog

noun 0.587

black sheep

noun 0.570

little one

noun 0.557

weakest link

noun 0.538

scrag

noun 0.535

small fry

noun 0.533

youngest

noun 0.527

weakling

noun 0.523

ugly duckling

noun 0.523

also-ran

noun 0.521

little brother

noun 0.520

little name

noun 0.515

straggler

noun 0.512

secondborn

noun 0.511

piglet

noun 0.506

kid brother

noun 0.505

littleness

noun 0.503