edge.
abbreviation, abdication, aberration, ablation, abnegation, abomination, abrogation, acceleration, acclamation, acclimation, accommodation, accreditation, accumulation, accusation, accusation, acidification, activation, adaptation, adjudication, administration.
Your query has returned 2583 words, which include anagrams of demarcations as well as other shorter words that can be made using the letters included in demarcations.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.