fiftyfold

About 0.01 uses per million words.

Meaning

1. adjective By a multiple of fifty; by fifty times as much or as many.
2. adverb By a factor of fifty.

Similar words

fivefold fortyfold sixtyfold tenfold fewfold seventyfold five-fold fifteenfold twentyfold hundredfold

Often followed by

increase in over for during