How many words can you make out of the word observation?

Answer 1

At least 94: sob, Serb, rose, robe, robes, orb, orbs, ore, ores, sober, sore, Res., rob, robs, over, rove, roves, ova, vase, rate, rates, bat, bats, rat, rats, SOT, vat, vats, sat, set, bet, bets, boat, boats, rote, rotes, boar, boars, brat, brats, bit, bits, 'tis, sit, bait, baits, sati, riot, riots, tear, ear, tears, ears, roost, boost, boot, boots, root, roots, soot, non, nob, son, eon, eons, nor, Nov., Nov.'s, ton, tons, not, ion, ions, boon, boons, bon, bonsai, soon, noose, so, on, ons, boo, boos, nose, one, ones, bone, bones, boner, boners, nova, novas, Nato, etc. OBSERVATION.