mail train

noun 0.792

mail

noun 0.724

mailboat

noun 0.715

mail cover

noun 0.710

mail slot

noun 0.700

mailroom

noun 0.689

surface mail

noun 0.658

mail stop

noun 0.654

registered mail

noun 0.651

letter carrier

noun 0.649

mailer

noun 0.644

mail relay

noun 0.642

mailo

noun 0.641

airmail

noun 0.639

mailbag

noun 0.638

mailpiece

noun 0.635

post office

noun 0.633

postman

noun 0.631

parcel post

noun 0.629

postwoman

noun 0.622

snail mail

noun 0.619

maile

noun 0.618

mailbox

noun 0.616

postmaster

noun 0.615

mailbox rule

noun 0.607

certified mail

noun 0.594

postmistress

noun 0.588

mailout

noun 0.588

postage meter

noun 0.574

postal money order

noun 0.568

general delivery

noun 0.567

courier

noun 0.565

postmark

noun 0.557

postage

noun 0.555

postbag

noun 0.546

electronic mail

noun 0.541

postal history

noun 0.536

postcode lottery

noun 0.535

mail order

noun 0.533

postal address

noun 0.532

truck

noun 0.528

trash truck

noun 0.526

webmail

noun 0.525

expressman

noun 0.524

motor vehicle

noun 0.523

dispatch rider

noun 0.519

junk mail

noun 0.518

deliveryman

noun 0.515

diplomatic pouch

noun 0.512

voice mail

noun 0.512

pickup truck

noun 0.512

letterbox

noun 0.512

vote-by-mail

noun 0.509

mule train

noun 0.509

manila envelope

noun 0.507

diplomatic bag

noun 0.506

messenger

noun 0.503

mail merge

noun 0.503

special delivery

noun 0.501