Words with "u" spelling:
* cur
* fur
* hurt
* jumper
* murmur
* sun
* run
* drum
* stud
Words with other spellings:
* blood
* flood
* mud
* bud
* come
* done
* love
* dove
* shove
Keep in mind that some words with "u" may have a different vowel sound, like "flute" or "pure."