Well, I will give three examples, the bolded letters are the prefixes:impossible/ not possible.astronomy/ the study of stars and planets.antibacterial/ against bacteriaNow here are examples on when I...
9-letter words wordsmith 10-letter words wordsmiths 12-letter words wordsmithery 14-letter words wordsmitheries In fact, the prefix itself is " word " not " words ".
Decagon-A triangle with 10 sideDecade-10 yearsDecagram-10 gramsSince it is a prefix, you can add deca to a lot of words and it will always be 10 (units) of whatever that word is.