13-Letter Words Starting With TU

There are 12 13-letter words that start with TU. 3 are common words, such as TUNEFULNESSES and TURBOCHARGERS. A rarer one is TURBOELECTRIC. 3 words contain a doubled letter.

Full list 12

tunefulnessesturbochargersturbochargingtubulifloroustubocurarinestumorigenesestumorigenesistunablenessesturbellariansturbidimetersturbidimetricturboelectric

About this list

Words
12 (3 common words)
Common example
tunefulnesses
Rare example
turboelectric
Doubled letters
3
Ending in S
9

Questions

How many 13-letter words starting with tu are there?

12. 3 of them are common words.

What is a common example?

TUNEFULNESSES is among the common words in this set.