cyst/o
cyst/o means the bladder or a fluid-filled sac (Greek).
"SIST-oh." Coach: "Cyst can mean the urinary bladder or a sac; context tells you which."
Examples: cystitis, cystoscopy, cystoscope, cystectomy, cystostomy.
Also: cystogram, cystography, cystocele, cystolithiasis, cystic.