unconvincing
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.
Cartographer
strenutation
Lighthearted is a 12 letter word. Lithographed is another 12 letter word that starts with L and ends with D.
Brown recluse is a 12-letter word for a type of spider.
manufactured
manufactured
bibliography
intellectualmotorcyclistsatisfactionwatercoolersarticulatingcitizenshipsintercompany
Convincing one person is a challenge; convincing 12 people is the toughest.
tucommandons
underwhelmed