Operable rhymes with:
inoperable, comparable, incomparable, inoperable, inseparable, irreparable, admirable, adorabelle, answerable, comparable, considerable, deliverable, discoverable, dishonorable, favorable, honorable, imponderable, incomparable, inexorable, innumerable, inoperable, inseparable, insufferable, intolerable, invulnerable, irreparable, maneuverable, measurable, memorable, miserable, pleasurable, preferable, recoverable, tolerable, unalterable, unanswerable, unfavorable, venerable, vulnerable
Operable sounds like:
overbill, overfill, overflow, overfly, overplay, overvalue