millennia
The word with the 3rd, 4th, 6th, and 7th letters being the same is "bookkeeper."
According to SOWPODS (the combination of Scrabble dictionaries used around the world), there is 1 word with the pattern -AMZ-R. That is, one six-letter word with 2nd letter A and 3rd letter M and 4th letter Z and 6th letter R: mamzer
nausea
abundancebluejayscrucialdrunkardsequivalentfoundationiguanajournalslaughablemountainsneutralizerhumbasourballstournamentunusual
According to SOWPODS (the combination of Scrabble dictionaries used around the world), there is only one word with the pattern W-ORES. That is, six letter words with 1st letter W and 3rd letter O and 4th letter R and 5th letter E and 6th letter S. That word is: whores
letters
battledbottledclothedcustardcontendfrettedleotardmottledmustardnettledpretendrattledsettled
avoidingdecidinghomicideignitioninfinitevicinitystrivingreligionprairiesspoilingpacifistmusicianmagicianvomitinguprisingretiringpoliticsoptimizenativityinvitingdividingcivilizeactivitymobilitypoliciesvalidityvisitingumpiringtrainingsolidifyrevisionpositionnotifiedhumiditybikini
drama, direr, darer, discs, dusts, desks, doses
EMOTION is the word.
The word "Baroque" fits these characteristics.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern --AI-A-. That is, seven letter words with 3rd letter A and 4th letter I and 6th letter A. In alphabetical order, they are: coaitas shaitan