sea
see
seen
seek
siege
seat
seed
sieve
seethe
seam
seem
seal
sear
seize
seep
2-syllable:
sepal
season
seagull
seizure
seafood
senile
seer
Seymour
seesaw
ceiling
Short "c" sound:
cyst
sift
sit
sin
sick
sip
cinder
civil
sizzle
Sydney
simulate
scintillate
etc.