13-Letter Words Matching _U___F_______

There are 19 13-letter words that match _U___F_______. 8 are common words, such as JUSTIFICATION and MUMMIFICATION. A rarer one is SUPERFLUIDITY. In this set, I is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 19

justificationmummificationnullificationputrefactionsqualificationsuperficiallysuperfluitiessuperfluouslydulcificationjustificatorymultifunctionsuperfamiliessuperfetationyuppificationjustificativemultifilamentsubinfeudatedsubinfeudatessuperfluidity

About this list

Words
19 (8 common words)
Common example
justification
Rare example
superfluidity
Doubled letters
4
Ending in S
4
Most frequent letter
I (18)

Questions

How many 13-letter words matching _u___f_______ are there?

19. 8 of them are common words.

What is a common example?

JUSTIFICATION is among the common words in this set.