Some companies that offer lists of words with the short "U" sound are Scholastic, Enchanted Learning and Spell Zone. Educators can download these lists to use as part of their lesson plans on short vowels. Some examples of short "U" words on the lists are "drum," "sun," "umbrella" and "bug."
Enchanted Learning has several student activities and printable pages that focus on words that have the short "U" vowel spelled as "U." Activities include finding the missing letter, circling the words with the sound and identifying words that rhyme. Spell zone provides a list of words that have the short "U" sound spelled as "O." Examples of words on this list include "love," "dozen," "shovel" and "Monday." Scholastic's word lists are available to educators who subscribe for a fee.