According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 29 words with the pattern SH---A-. That is, seven letter words with 1st letter S and 2nd letter H and
electric cars 6th letter A. In alphabetical order, they are:
shaitan
shalwar
shambas
shammas
shariah
sharias
shariat
shebean
sheilas
sheitan
shellac
sheltas
sherias
sheriat
sherpas
shiksas
shimaal
shiplap
shipman
shipway
shirras
shishas
shittah
shoepac
shooras
shophar
shopman
showman
shrinal