IPA phonetic symbol (vowel) /ʊ/
 Common words
Some common words which practice this pronunciation include the following:
- with "o" or "oo": book - cook - foot - good - hook - look - shook - took - wool - wolf - whoops! - woman;
- with "ou": could - would - should;
- with "u": bull - bullet - bush - cushion - pull - push - put;
- homophones: wood/would.
 Anticipated pronunciation difficulties depending on L1
Preconceived ideas and other interferences from L1 obviously interfere in many cases with how students perceive - and pronounce - sounds/words in English. The following sections aims to point out some of the most typical difficulties teachers and students may encounter regarding pronunciation.
While /ʊ/ is very similar to the Spanish letter "u", it is actually much shorter, and some Spanish speakers may, at first, have difficulty distinguishing between the vowel sound in "good" and that of /u:/, as in "food", which is longer than the Spanish "u".