igloo
shampoo
Dodo, judo, redo and undo are 4 letter words. They end with the letters do.
tattoo
boo Some words that end in "oo" are igloo, goo, poo, and too.
The short OO vowel sound is seen mostly in words ending in D, K, and T. Short OO words include: -- book, brook, cook, hook, look, nook, and shook -- good, hood, and wood -- foot and soot -- could, should, and would -- bush, push, puss, and put
The words lose, prove, and move (and words based on them) have the long OO sound.
oocyte
bootbloombroomcookcooperatedoodlefloodfoodgoodhoodhootiglooloopmoodnoonpoolsideroostersmoothsootheschooltoothvoodoowoodzoo
blood
words that have the long oo sound are wood, took, too, noon, good, root, book, wool, and food.
There are many words with double oo`s in them.Noodles,doodles,poodles also moon tool tooth broom