15-Letter Words Starting With OR

There are 12 15-letter words that start with OR. 0 are common words, such as ORGANOPHOSPHATE and ORNITHORHYNCHUS. A rarer one is ORTHOPHOSPHATES. In this set, O is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

organophosphateornithorhynchusorthodonticallyorthopsychiatryorchestrationalorganochlorinesorganomercurialorganometallicsorientationallyorthogonalitiesorthogonalizingorthophosphates

About this list

Words
12 (0 common words)
Common example
organophosphate
Rare example
orthophosphates
Doubled letters
3
Ending in S
5
Most frequent letter
O (12)

Questions

How many 15-letter words starting with or are there?

12. 0 of them are common words.

What is a common example?

ORGANOPHOSPHATE is among the common words in this set.