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fortnightly
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fortress
fortuitous
fortuitous event
fortuity
fortunate
fortunately
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fortieth
for·ti·eth [ fáwrtee əth ] (plural for·ti·eths)


noun 
Definition:
 
1. one of 40 parts of something: one of 40 equal parts of something
2. 40th birthday: somebody's 40th birthday

for·ti·eth adjective, adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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