How many words can you make out of spontaneous?

The letters can be used to spell the

9 letter Word teaspoons and the 8 letter Words outspans and

teaspoon. They spell the 7 letter Words aptness, nonstop, outspan,

peanuts, sonnets, soonest, stepson, suntans and unspent. They can

be used to spell the 6 letter Words assent, estops, onsets, pauses,

peanut, season, setups, snoops, snouts, Sonnet, spoons, spouse,

spouts, stones, sunset, suntan, tossup, unopen, unseat, unsent and

unsnap.