Anhingidae is a family of water birds that are commonly known as darters or snakebirds. These birds are found throughout the world in warm, freshwater environments. If you are writing about these birds and feel that the word "Anhingidae" is overused, it's always a good idea to use synonyms. Some of the synonyms for the word "Anhingidae" include snakebird, waterbird, darter, anhinga, and cormorant. Using synonyms for this word can help to bring more variety to your writing and make it more interesting for readers.