You can spell two seven letter words from these letters:
Sinkage is the seven letter word formed using the letters aeigkns.
Seven letter words that can be made from those letters are shutter and stretch.
The seven letters, mcuanst, can be formed into the seven letter word, sanctum. Sanctum is an English word meaning 'a sacred place.'
coacted
cantdogcoagentcognatecommandcommendcommentcongaeddecagondogfacefagotedmagnetomegatonmetonymmomentamontagetacnodetangoed
panther
monitor
discant
grandest
alunite, ventail
burnout, outburn
There are no seven letter words from these letters.