Is there a word for four times as much, analogous to once, twice, and thrice?

Is there a word for 'four times as much', analogous to once, twice, and thrice?


Solution 1:

Not according to the Oxford dictionaries:

These three are the only words of their type, and no further terms in the series have ever existed.

Solution 2:

No, there isn't.

What comes after once, twice, thrice?

Nothing! These three are the only words of their type, and no further terms in the series have ever existed.