As nouns the difference between fruition and materialisation
is that fruition is the fulfillment of something worked for while materialisation is an alternative spelling of materialization.
fruition
English
Etymology 1
From (etyl) .
Noun
(
en noun)
The fulfillment of something worked for.
The enjoyment derived from a possession.
Etymology 2
Erroneously from (fruit) (though now standard usage)
Noun
(
en noun)
The condition of bearing fruit.