It's the Study of Both Pain and Algae
This page is the CodyCross answer for the clue below from World of Sounds, Group 1349, Puzzle 3 (Whale Songs).
Question is: It's the Study of Both Pain and Algae
and the answer is: ALGOLOGY
Word Meaning:
ALGOLOGY — The branch of botany dealing with algae.
Definitions from Wiktionary.