There are 10 such words in english:
arctics
decency
hectics
licence
picnics
recheck
secrecy
tactics
upchuck
vacancy
Oh, and there is o'clock, but I don't think it counts as a single word.
EMOTION is the word.
laundry
jacuzzi
Tuesday.
quickly
EMOTION is the word.
laundry
jacuzzi
tyranny
Tuesday.
ostrich
quickly
realize
copious, hopeful
anotherbrotherdrownedfrolicsfrostedgrowinggroundedgrouchyloosingstoppedslobbersmotherswollensnowmansmoothedscoopedstoopedstompedscoringsmolderthoughttrouble
medical
7 letter word 3rd letter x