Pistons rhymes with:
austin's, boston's, boyleston's, boylston's, carstens, charleston's, cranston's, gaston's, hesston's, houston's, intestines, johnston's, jostens, justin's, karstens, livingston's, preston's, princeton's, ralston's, thaxton's
Pistons sounds like:
pakistan's, pakistanis, pastimes, pasting, picketing, pocketing, poseidon's, positioning, positions, postdating, posthumous, posting, postings, pseudomonas, pseudonyms, psychodynamic