Salinity rhymes with:
alkalinity, masculinity, alkalinity, masculinity, affinity, alkalinity, divinity, femininity, infinity, masculinity, mcginnity, trinity, vicinity
Salinity sounds like:
salant, salient, salmond, schlund, schoolmate, sealand, sealant, selenite, selinda, selland, shelnutt, silent, skoglund, slammed, slant, slanted, slimmed, soland, solemnity, squillante, succulent, swaziland