13-Letter Words Matching __U________L_

There are 17 13-letter words that match __U________L_. 6 are common words, such as EDUCATIONALLY and EQUIDISTANTLY. A rarer one is TRUSTWORTHILY. In this set, T is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 17

educationallyequidistantlyfrustratinglyheuristicallysoutheasterlysouthwesterlytautologouslythundersqualladumbrativelycounterspellsdeuteranomalyequipollentlyfaunisticallyfluorouracilsmountainouslytouristicallytrustworthily

About this list

Words
17 (6 common words)
Common example
educationally
Rare example
trustworthily
Doubled letters
7
Ending in S
2
Most frequent letter
T (16)

Questions

How many 13-letter words matching __u________l_ are there?

17. 6 of them are common words.

What is a common example?

EDUCATIONALLY is among the common words in this set.