No 7-letter English words, but here are some 6-letter words:
ensure
enures
rushee
lichens
Sinkage is the seven letter word formed using the letters aeigkns.
Using all 7 letters you get rewords
essayed
Settees
demotic
deleads
wavered
sellout
The seven letters, mcuanst, can be formed into the seven letter word, sanctum. Sanctum is an English word meaning 'a sacred place.'
Seven letter words that can be made from those letters are shutter and stretch.
From those seven letters, a seven-letter word is carting A six-letter word is acting
There is no seven-letter word in the English language using those letters.