11-Letter Words Matching T_____P____

There are 20 11-letter words that match T_____P____. 4 are common words, such as TABLESPOONS and THEOSOPHIES. A rarer one is TRYPTOPHANE. In this set, O is the most frequent open letter (20 words). 4 words contain a doubled letter.

Full list 20

tablespoonstheosophiestheosophisttropospheretechnophobetetrasporesthallophytethermophilethermophonethermopilestreehopperstrimorphismtrochophoretrophoplasmtryptophanstamperprooftechnophileteliosporestetrasporictryptophane

About this list

Words
20 (4 common words)
Common example
tablespoons
Rare example
tryptophane
Doubled letters
4
Ending in S
7
Most frequent letter
O (20)

Questions

How many 11-letter words matching t_____p____ are there?

20. 4 of them are common words.

What is a common example?

TABLESPOONS is among the common words in this set.