pen pal

noun 0.845

friend

noun 0.605

schoolfellow

noun 0.571

best friend

noun 0.564

befriender

noun 0.553

mutual friend

noun 0.552

bosom friend

noun 0.546

friendly

noun 0.542

correspondent

noun 0.539

poison pen

noun 0.538

friend at court

noun 0.533

lady friend

noun 0.531

playfellow

noun 0.531

amigo

noun 0.530

well-wisher

noun 0.526

confidante

noun 0.524

pen

noun 0.515

bestie

noun 0.514

flatmate

noun 0.513

penman

noun 0.513

love letter

noun 0.512

bedfellow

noun 0.511

fountain pen

noun 0.510

frenemy

noun 0.505

neighbour

noun 0.504

buddy

noun 0.504

classmate

noun 0.503

amiga

noun 0.503

letterer

noun 0.502

chummy

noun 0.500

philatelist

noun 0.500