Uruguay
High-Falutin'
Juxtapose
Rutabaga
Wankle-rotary engine
Salsa
Catamaran
Schnitzel
Zimbabwe
Geocentric
Cabal
Kumquat
Lilipution
Alluvial
Mozambique
Qatar
Fritter
Squash
Onomatopoeia
Unctuous
Octogenerian
Follicle
Pernicious
Frankfurter
Chimichanga
Debauchery
Recapitulate
Phylactery
Opiate
Flautist
Fritter
Parenthetical
Botswana
Vibraphone
Heinous
Guam
Mucilage
Philodendron

Addition

Names Not to Give Your Children

Axl
Bugsy
Chucky
Idi
Hamlet
Jelly Roll
John Boy
Pudd'nhead
Robespierre
Shep
Spanky
Studs
Whizzer
Agnes
Bertha
Butterfly
Crayola
Jemima
Latoya
Madge
Pocahontas
Rotunda

Ken's List of the 8 Most Pretentious Words in English

Faux
Kudos
Panache
Tres
Applaud
Gusto
Apropos
Savvy