Romanov
voltaic
catalytic
circumstance
ecumenical
lolicon
Northwestern
nocturnal
lachrymose
eucalyptus
ahem, Spiderman (is my submission unless you don’t allow proper nouns)
ne’er-do-well
Lithuanian
numerologist
tarantula
adventurous
(Yes, we allow proper nouns, Spiderman).
submarine
Erato
occupation
newspaper