forebode, forecast, foretell
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.)
pentagon
Tutelage
nonsense
Yuletide
Emphasis
Alienate
deserted?
forebode, forecast, foretell
doubtful, unsavory, slippery
Assembly/assemble
ten years
summary
epitaphs. peatship.