crampon
The word with the 3rd, 4th, 6th, and 7th letters being the same is "bookkeeper."
battledbottledclothedcustardcontendfrettedleotardmottledmustardnettledpretendrattledsettled
letters
avoidingdecidinghomicideignitioninfinitevicinitystrivingreligionprairiesspoilingpacifistmusicianmagicianvomitinguprisingretiringpoliticsoptimizenativityinvitingdividingcivilizeactivitymobilitypoliciesvalidityvisitingumpiringtrainingsolidifyrevisionpositionnotifiedhumiditybikini
The word "Baroque" fits these characteristics.
Strauss
embarks
embarks
millennia
iguana
Disgraceful
QUININA