15-Letter Words Matching _L_________T___

There are 12 15-letter words that match _L_________T___. 2 are common words, such as ALPHABETIZATION and ELECTRIFICATION. A rarer one is ULTRAVIRILITIES. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 12

alphabetizationelectrificationelectrokineticselectronegativeelectropositiveoligonucleotideallergenicitiesclandestinitiesoligomerizationplatyhelminthicultrafiltrationultravirilities

About this list

Words
12 (2 common words)
Common example
alphabetization
Rare example
ultravirilities
Doubled letters
1
Ending in S
4
Most frequent letter
I (12)

Questions

How many 15-letter words matching _l_________t___ are there?

12. 2 of them are common words.

What is a common example?

ALPHABETIZATION is among the common words in this set.