grep cup /usr/share/dict/words

acupress

acupressure

acupunctuate

acupunctuation

acupuncturation

acupuncturator

acupuncture

alecup

anteoccupation

archcupbearer

Ascupart

aucupate

bluecup

bridecup

buttercup

concupiscence

concupiscent

concupiscible

concupiscibleness

concupy

creamcup

cup

cupay

cupbearer

cupboard

cupcake

cupel

cupeler

cupellation

cupflower

cupful

cuphead

cupholder

cupidinous

cupidity

cupidon

cupidone

cupless

cupmaker

cupmaking

cupman

cupmate

cupola

cupolaman

cupolar

cupolated

cupped

cupper

cupping

cuppy

cuprammonia

cuprammonium

cupreine

cuprene

cupreous

cupressineous

cupric

cupride

cupriferous

cuprite

cuproammonium

cuprobismutite

cuprocyanide

cuprodescloizite

cuproid

cuproiodargyrite

cupromanganese

cupronickel

cuproplumbite

cuproscheelite

cuprose

cuprosilicon

cuprotungstite

cuprous

cuprum

cupseed

cupstone

cupula

cupulate

cupule

cupuliferous

cupuliform

decuple

decuplet

dewcup

dicecup

dihydrocupreine

dihydrocuprin

disoccupation

disoccupy

dodecuplet

duodecuple

eggcup

eggcupful

encup

ethylhydrocupreine

eyecup

fevercup

giltcup

goldcup

hiccup

hydrocupreine

inoccupation

kingcup

leafcup

misoccupy

nonoccupant

nonoccupation

nonoccupational

nonrecuperation

nuncupate

nuncupation

nuncupative

nuncupatively

occupable

occupance

occupancy

occupant

occupation

occupational

occupationalist

occupationally

occupationless

occupative

occupiable

occupier

occupy

oilcup

overcup

overpreoccupation

overpreoccupy

porcupine

porcupinish

preoccupancy

preoccupant

preoccupate

preoccupation

preoccupative

preoccupied

preoccupiedly

preoccupiedness

preoccupier

preoccupy

queencup

recuperability

recuperance

recuperate

recuperation

recuperative

recuperativeness

recuperator

recuperatory

reoccupation

reoccupy

scup

scupful

scuppaug

scupper

scuppernong

scuppet

scuppler

semicup

semicupium

semicupola

sescuple

subdecuple

sucupira

suncup

teacup

teacupful

toothcup

uncupped

undercup

underoccupied

unoccupancy

unoccupation

unoccupied

unoccupiedly

unoccupiedness

unpreoccupied

unrecuperated

vesicupapular

watercup

whitecup

yellowcup