This might be exclave - but if so, this is a really lame definition.
A seven letter word starting with E could be epitome.
tangelo
malaria
EndingsErosionEverestErodingElevateEnduresevidentescourtemotionengrossengraveearringexcitedexpiredextremeexpressessence
gaininggallonsgambledgardensgarmentgetawaygatewaygathersgeneralgentilegesturegettingghastlygiraffegirlishglassesglimmerglistenglorifygolfinggoslingglowinggradinggrantedglaringgleefulgloatedgovernsgravitygreatlygrowinggravelygrantedgreetedgravinggriffingrimacegrizzlygrosslygroomedgroomergroovedgrufflygrumblegruntedguessedgunshotguzzledgushinggutting
another archive
alleged
silence
anteing
gabriea
snapped
You are serious.