Due to the way the algorithm works the thesaurus gives you mostly related slang words rather than exact synonyms. One who loves animals. Synonyms for Pet Lover other words and phrases for Pet Lover.
One who feels fondness for animals. One with a fondness for pets. Person who feels fondness for animals.
Another way to say Pet Lover. One who helps animals. One who loves pets.
Best synonyms for dog lover are dog person for dogs and dogs. Another way to say Dog-lover. Posting a picture of ones pet on social media with.