What is the meaning of Repeating_unit?

5-letter words containing

• 5-letter words containing b

• 5-letter words containing u

• 5-letter words containing u

• 5-letter words containing n

• 5-letter words containing r

5-letter words starting with

• 5-letter words starting with a

• 5-letter words starting with k

• 5-letter words starting with i

• 5-letter words starting with u

• 5-letter words starting with c

5-letter words in the middle

• 5-letter words in the middle i

• 5-letter words in the middle e

• 5-letter words in the middle d

• 5-letter words in the middle i

• 5-letter words in the middle u

5-letter words ending with

• 5-letter words ending with o

• 5-letter words ending with g

• 5-letter words ending with h

• 5-letter words ending with o

• 5-letter words ending with n

5-letter words excluding

• 5-letter words excluding e

• 5-letter words excluding a

• 5-letter words excluding e

• 5-letter words excluding h

• 5-letter words excluding a