There are plenty of different synonyms for the term "long hair" that you can use. Some popular options include "flowing locks," "mane," "tresses," and "raven tresses." Depending on the context of your writing, you might also opt for more playful or descriptive terms like "cascading curls," "silky strands," or "luxurious waves." Alternatively, if you're looking to describe hair that's particularly thick or voluminous, you could try using "bushy locks" or "abundant tresses." Ultimately, the specific words you choose will depend on your personal writing style, audience, and creative vision.