Three Letter String

HUM

humility
humidity
chum
humble
thumb

COM

COM

commercial
become
comfort
Lancome
Tacoma (WA)

LAN

LAN

languid
flan
languish
plane
clannish

SEA

SEA

seashell
overseas
search
sear
seal

FRE

FRE

freedom
alfresco
infrequent
freakish
proofread

EAM

EAM

scream
ream
beam
team
seam

AKE

AKE

partake
clambake
braked
forsaken
awaken

OST

OST

poster
ostomy
frost
Nostradamus
cost

HIP

HIP

hippopotamus
battleship
censorship
shipshape
chipper

AVO

AVO

favorite
avocation
bravo
avowed
savanarola

CAT