Open/Closed
trident
tri/dent
forest
for/est
limelight
lime/light
suitcase
suit/case
staple
sta/ple
frequent
fre/quent
garment
gar/ment
placemat
place/mat
proofread
proof/read
pasture
pas/ture
abdomen
ab/do/men
circus
cir/cus
pineapple
pine/ap/ple
flowerpot
flow/er/pot
location
lo/ca/tion
tomato
to/ma/to
observant
ob/ser/vant
crocodile
croc/o/dile
seasonal
sea/son/al
mutation
mu/ta/tion
equipment
e/quip/ment
hamburger
ham/bur/ger
telephone
tel/e/phone
astronaut
as/tro/naut
temptation
temp/ta/tion