forebode, forecast, foretell
enormous
doubtful, unsavory, slippery
3/8 (specifically u, t and p out of the eight different letters in "multiply").
There are eight (8) different letters in that word, so that's the number ofletter choices you have in each 5-letter group without repetition.The number of different 5-letter "words" is (8 x 7 x 6 x 5 x 4) = 6,720 .(They don't necessarily mean anything. They're just distinct sequencesof 5-letters each, like Morse-code random practice groups.)
Permutations of 10 letters taken 3 a time = 10 x 9 x 8 = 720
enormous
Tutelage
Alienate
Emphasis
Yuletide
nonsense
doubtful, unsavory, slippery
Assembly/assemble
deserted?
ten years
summary
epitaphs. peatship.