13-Letter Words Matching U________L___

There are 16 13-letter words that match U________L___. 3 are common words, such as UNPARALLELLED and UNRELIABILITY. A rarer one is UPGRADABILITY. 2 words contain a doubled letter.

Full list 16

unparallelledunreliabilityunsuitabilityunilateralismunilateralistunoriginalityunpunctualityunreadabilityunsociabilityunworkabilityultrafamiliarultraroyalistultravirilityundersuppliesunknowabilityupgradability

About this list

Words
16 (3 common words)
Common example
unparallelled
Rare example
upgradability
Doubled letters
2
Ending in S
1

Questions

How many 13-letter words matching u________l___ are there?

16. 3 of them are common words.

What is a common example?

UNPARALLELLED is among the common words in this set.