aesthete
Inimical comes to mind, but I'm sure there are others. I can do you one letter better: a 7 letter word that contains three Is is "idiotic".
clinician
vicinities
No eight-letter words could be found in the TWL, (the Scrabble dictionary). However, these seven-letter words could be made:arenoushoarsensenhoraunhorse
Ferric: adjectiveof, relating to, or containing iron, esp. with a valence of three.
Inimical comes to mind, but I'm sure there are others. I can do you one letter better: a 7 letter word that contains three Is is "idiotic".
clinician
vicinities
Alphabet silly.
No eight-letter words could be found in the TWL, (the Scrabble dictionary). However, these seven-letter words could be made:arenoushoarsensenhoraunhorse
Graduate.
12 letter words - 3 O's:corporationspropositionsproportioned
An eight letter word with three vowels using those letters is scavenge.Eight letter words with four vowels using those letters are agencies and envisage.
Some eight letter words that have three Es are:absenteeattendeecarefreedetaineeedgewiseelectiveembezzleemployeeenvelopeetherealexigenceexpediteforeseenfreebasehoneybeekeepsakelicenseepedigreepeepholeprotegeerefreezereparteesqueegeesteerage
some words include:pabulumspachadompachalicpachinkopachisispachoulipachucospacifiedpacifierpacifiespacifismpacifistpackablea full list of words beginning with P containing 8 letters can be found here (see related links), although this list doesn't include every 8 letter word containing the letter P.
"Pieces of Eight" - Styx
Ferric: adjectiveof, relating to, or containing iron, esp. with a valence of three.