Disgraceful
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern ---N-C---M. That is, ten letter words with 4th letter N and 6th letter C and 10th letter M. In alphabetical order, they are: corniculum eponychium iconoclasm
encomienda
The word with the 3rd, 4th, 6th, and 7th letters being the same is "bookkeeper."
battledbottledclothedcustardcontendfrettedleotardmottledmustardnettledpretendrattledsettled
letters
avoidingdecidinghomicideignitioninfinitevicinitystrivingreligionprairiesspoilingpacifistmusicianmagicianvomitinguprisingretiringpoliticsoptimizenativityinvitingdividingcivilizeactivitymobilitypoliciesvalidityvisitingumpiringtrainingsolidifyrevisionpositionnotifiedhumiditybikini
The word "Baroque" fits these characteristics.
embarks
embarks
Strauss
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 8 words with the pattern ---N-C---G. That is, ten letter words with 4th letter N and 6th letter C and 10th letter G. In alphabetical order, they are: coenacting connecting minnicking minnocking picnicking pinnacling reenacting unsnecking
crampon