Informix rhymes with:
mccormick's, mccormick's, academics, aerodynamics, amyx, ceramics, clintonomics, comics, dimick's, dynamics, dynamics', economics, electrodynamics, epidemics, ergonomics, gimmicks, hemodynamics, macroeconomics, mccormick's, microeconomics, mimics, polemics, polyconomics, reaganomics, remics, rogernomics, systemix
Informix sounds like:
impairing, imprimis, inference, inferences, inferring, informing, informs, infringe, infringes, invariance, inverness