Shainah \sha(i)-nah\ as a girl's name is a variant of Shaina (Yiddish), and the meaning of Shainah is "beautiful".

The baby name Shainah sounds like Shannah, Shanah, Shawnah, Shaunah and Shaynah. Other similar baby names are Chanah, Chaanah, Chaninah, Channah, Rainah, Shawna, Sharina, Shannae, Shanay, Shakina, Shahnaz, Shaila, Sheina, Shayna, Shana, Shaine, Shaena, Shalina, Shanae, Shanna, Shannan, Shawnae, Shauna, Shaylah, Sheenah, Shilah, Sheilah, Shirah, Shonah and Sannah.