Tenets rhymes with:
benet's, bennett's, baronets, benet's, bennett's, bluebonnets, cabinet's, cabinets, chestnuts, coordinates, electromagnets, gannett's, hornet's, hornets, ignatz, janet's, laminates, magnet's, magnets, minute's, minutes, minutes', peanuts, planet's, planets, unfortunates, units
Tenets sounds like:
taints, tandy's, taunts, teammates, tenant's, tenants, tenants', tends, tenements, tenths, tents, thematic, thometz, tints, tomatoes, tomatos, twenties, twenty's