As nouns the difference between cetology and fetology
is that cetology is the branch of zoology concerned with the order Cetacea, which includes whales, dolphins, and porpoises while fetology is the scientific study of fetuses.
cetology
Noun
(-)
The branch of zoology concerned with the order Cetacea, which includes whales, dolphins, and porpoises
fetology
English
Noun
(-)
The scientific study of fetuses.