List of 15-letter words containing NN

ANNIHILATIONISM ANNIHILATIONIST ANNIVERSARINESS BENNETTITACEOUS BIPINNATIPARTED BIPINNATISECTED BITRIPINNATIFID BLENNOPHLOGISMA BLENNOPHLOGOSIS BLENNOPHTHALMIA BLOCKADERUNNING CANNIBALIZATION CONNOISSEURSHIP CRESTFALLENNESS DOWNTRODDENNESS ENDOCANNIBALISM HEARTBROKENNESS HOUSEBROKENNESS ILLMANNEREDNESS INCONNECTEDNESS INNUMERABLENESS INTERCONNECTING INTERCONNECTION JUNGERMANNIALES MANNERISTICALLY METACINNABARITE MILLENNIALISTIC MULTICHANNELLED NANNOPLANKTONIC NONANNOUNCEMENT NONCONNECTIVELY NONCONNECTIVITY NONCONNUBIALITY NONNARCISSISTIC NONNATURALISTIC NONNAVIGABILITY NONNEBULOUSNESS NONNEGATIVISTIC NONNITROGENIZED NONNOMINALISTIC NONNOTIFICATION NONNUTRITIOUSLY NONTYRANNICALLY OPPOSITIPINNATE OUTSPARSPINNING OVERCUNNINGNESS PLAINSPOKENNESS PREANNOUNCEMENT PREMILLENNIALLY PROLETARIANNESS PSEUDOPIONNOTES QUINQUENNIALIST RECONNAISSANCES RECONNOITRINGLY ROSTROANTENNARY SEMIMANNERISTIC SEPTENDECENNIAL SONNERATIACEOUS SUPERINNOCENTLY SUPERSOLEMNNESS THREEPENNYWORTH TYRANNOSAURUSES UNBEGINNINGNESS UNCHRISTIANNESS UNCONNECTEDNESS UNFORBIDDENNESS UNINNOCUOUSNESS UNNATIONALISTIC UNNATURALIZABLE UNNAVIGABLENESS UNNECESSARINESS UNNECESSITATING UNNECESSITOUSLY UNNEFARIOUSNESS UNPHONNETICALLY UNRECONNOITERED UNSUPERANNUATED