11 Letter Adjectives Ending in ION

Browse 8 valid English 11 letter adjectives that end with ION, from Quintillion, Preelection, Quadrillion, Proabortion, Antifashion, Preinvasion and Undecillion to rarer terms. Check definitions and spelling below, or visit our adjective grammar guide to check adjective order and comparative rules.

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Starts with A
1 words
antifashion
Starts with P
3 words
preelection
proabortion
preinvasion
Starts with Q
2 words
quintillion
quadrillion
Starts with U
2 words
undecillion
unijunction

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