Pakistan's rhymes with:
tajikistan's, tajikistan's, afghanistan's, afghanistans, tajikistan's, afghanistan's, afghanistans, caftans, tajikistan's, afghanistan's, afghanistans, afghans, alcan's, bedpans, businessman's, c-span's, caftans, callahan's, caltrans, caravans, goodman's, greenspan's, intertrans, lifespans, lumberman's, meehans, rosecrans, rosenkrans, stockman's, tajikistan's, taliban's, talibans, tarzan's
Pakistan's sounds like:
pakistanis, pastimes, pasting, picketing, pistons, pocketing, poseidon's, positioning, positions, postdating, posthumous, posting, postings, pseudomonas, pseudonyms, psychodynamic