Specifics rhymes with:
pacific's, hieroglyphics, pacific's, scientific's, scientifics, affix, alphagraphics, chemfix, datagraphix, demographics, geographic's, graphics, graphics', hieroglyphics, micrographics, pacific's, prefix, reprographics, scientific's, scientifics, suffix, summagraphics, traffic's
Specifics sounds like:
spaceships, specific, specifies