Ten
The longest words you can spell with the 10 letters tstlhreait are the eight-letter words lathiest, lithates, and thristle. If you can use an apostrophe, the letters spell the phrase "Earth's tilt."
The letters can be used to spell hundreds of words. They spell the 11 letter word remediation. They spell the 10 letter words intermedia, meditation, orientated and terminated. They spell the 9 letter words detriment intimated, iteration, mediation, terminate, tormented and tradition.
The letters do not spell any 13 letter words. They can be used to spell many words including the 10 letter words streetcars, stretchers and trimesters.
The letters can be used to spell the 10 letter words acrophobia and patriarchy. They spell the 9 letter words barbarity, hypobaric and patriarch. They spell the 8 letter words barbaric, carryout, choirboy, coauthor and obituary.
The letters can be used to spell the 10 letter word conscience. They also spell the 9 letter words nicotines. They can be used to spell the 8 letter words connects, niceties, nicotine and nineties.
It will take Peter 33 days to learn to spell a total of 75 words. He is starting with 10 and will reach 75 words when he has learned 75-10 = 65 new words. At the rate of 2 words a day, this will take 65/2 or 321/2 days. After 32 days he will know 10 + 64 = 74 words. Therefore the 75th and 76th words will be learned on the 33rd day. Algebraically, the answer n in days is solved from the equation 10 + 2n = 75 and rounded up.
The letters can be used to spell the 10 letter word conscience. They also spell the 9 letter words nicotines. They can be used to spell the 8 letter words connects, niceties, nicotine and nineties.
The letters do not spell any 10 letter words. However, they can be used to spell the 6 letter afraid.
There are 10 shorter common words: a, I, an, in, pa, pi, nap, nip, pan, and pin.
how to spell words
Those letters spell palindrome.
The letters can be used to spell the 10 letter word technology. They also spell the 9 letter words anthology, cognately and ethnology.