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mediation

average/mean/standard/ deviation

ammoniation asphyxiation aviation brachiation (continuous) creation (coefficient of) variation Creation differentiation elutriation excoriation excruciation expatriation expiation exuviation ideation inebriation intermediation mediation nauseation obviation permeation procreation (rest and) recreation (re-) creation repatriation repudiation (extracted from my Rhyme Guide)

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern O--IA---N. That is, nine letter words with 1st letter O and 4th letter I and 5th letter A and 9th letter N. In alphabetical order, they are:

obviation

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern --VI---O-. That is, nine letter words with 3rd letter V and 4th letter I and 8th letter O. In alphabetical order, they are:

deviation

devilwood

divinator

levigator

levitator

navigator

obviation

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 10 words with the pattern OBV------. That is, nine letter words with 1st letter O and 2nd letter B and 3rd letter V. In alphabetical order, they are:

obvention

obversely

obversion

obverting

obviating

obviation

obviators

obviously

obvoluted

obvolvent