cook
words that have the long oo sound are wood, took, too, noon, good, root, book, wool, and food.
It is the short OO sound as in book, foot, and good.
The words lose, prove, and move (and words based on them) have the long OO sound.
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
In Australian dialect, the double "o" sound in "look" is often pronounced as a longer "oo" sound, similar to the "oo" in "book" or "took."
The OO pair in room is a long U (long OO) sound, as in doom and bloom. This can also be made by O as in do and to (or in tomb), by U as in dune and flute, or by UE as in blue, clue, and sue.
oo oo oo oo oo oo
No, the words "pull" and "do" do not have the same "oo" sound as "wooer." "Pull" and "do" have a short vowel sound like in "book," while "wooer" has a long vowel sound like in "moon."
Some examples of words containing "ough" that sound like "oo" include "bought," "brought," and "thought." These words have different pronunciations despite having the same letter combination in them.
The word true is a long U (long OO) vowel sound. It can be a plain OO as in cue, grew, and ghoul. Or it can be the YOO sound as in humid, mule, cute, feud, and fuel.
It depends on how you pronounce "tour." The R influences the OO sound, which sounds like the long OO in too followed by an (ur). Dictionaries show this as a short OO as in good and foot, but it is much closer to a long OO sound. The same sound appears in the words boor, poor (pour), and spoor. Words with a long OO include: U words with a silent E (tune, dude) UE words (due, clue) OU words (ghoul) Words with a YOO sound as in humid, human, mule, cute, feud, and fuel.
The UI pair has a long OO sound. The "yoo" sound is heard in words such as cute and fuel.