3 words for AAEGGHHIINOOSSTTTTUWY 15-letter words

Filter answers for the "aaegghhiinoossttttuwy" by length:
Sort
Alphabet (A–Z)
Alphabet (Z–A)
Scrabble score

15 letters (3)

Powerful blow
?
W
?
A
?
L
?
L
?
O
?
P
Hint 1 meaning
To boil with a continued bubbling or heaving and rolling, with noise.
Hint 2 anagram
OPLWAL
Hint 3 another clue
BATTER ___
3 +1