egrep -i '^e\w{6}e$' /usr/share/dict/words

earphone earpiece Eastlake Ebionite Ebionize ebullate ecaudate ecdemite ecgonine echinate echinite echowise eciliate eclogite ecophene ecostate ecrasite ectomere ectosome edentate edgebone edgewise educable educatee educible eductive eerisome effusive efoliose egestive Eglamore eglatere egueiite Egyptize eicosane ejective Ekronite elabrate elaidate elaphine elaphure Elapidae Elapinae elastose elective elegance eleolite Eleusine eliasite elidible eligible eliquate ellagate elongate Elopidae elpidite elsewise eluviate elvanite emaciate embattle embezzle Embiidae embolite embolize embottle embronze embubble emendate emeraude Emesidae emigrate eminence emissile emissive emmarble employee empurple emulable emulsive Emydidae Emydinae enactive enallage enargite encharge encircle enclothe encradle endamage endocone endorsee endosome endpiece energize enervate enfeeble enfigure enfilade enfuddle engarble engirdle engrieve engroove enhearse enkindle enleague enmarble enmuffle enrollee ensample ensconce ensemble enshrine ensilage ensilate ensphere ensuable ensuance enswathe entangle entemple enterate enthrone entocele entocone entomere entracte entrance envelope enviable envisage envolume eosinate epalpate epappose ependyme Ephesine ephorate epichile epicoele epicycle epilogue epinette epiphyte epiploce episcope epispore epistome epistyle epithyme epitrite epitrope epivalve epsomite equalize equinate equipage equivote eradiate erasable erectile erective ereptase erewhile ergamine ergotize erigible erionite Eriphyle erodible erosible eruptive Erysiphe escalade escalate escapade escapage escarole escortee escruage eseptate Esocidae esotrope Essenize essexite essoinee essonite estacade estamene esterase esterize estimate estivage estivate estrange estriate estriche estruate eternize etherate etherize ethicize ethidene etholide ethoxide ethylate ethylene etiolate etiolize euchrome euchrone eucolite Eugubine eulogize eulysite eulytine eulytite eumycete euosmite euphuize eupyrene Euryalae Eurydice eutaxite euxenite evacuate evadable evaluate evanesce evansite evasible evenmete eventide eventime evenwise evermore eversive evertile everyone evidence evincive evitable evittate evocable evulgate ewelease exactive examinee excalate excavate excecate exchange excipule excircle excitive excresce excudate excusive execrate exercise exertive exfigure exhumate exigence exigible exocline exocoele exocrine Exogenae exorable exorcise exordize exosmose exospore exostome expedite expellee expiable expilate expirate exposure extrorse extubate exudence exundate exuviate eyepiece eyesalve eyeshade eyestone