According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 8 words with the pattern CI--I--.
That is, seven letter words with 1st letter C and 2nd letter I and
5th letter I. In alphabetical order, they are:
cieling
ciggies
cissier
cissies
cissing
citrine
citrins
civvies