What is the meaning of Pivotal_quantity?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing t

• 5-letter words containing n

• 5-letter words containing l

• 5-letter words containing o

5-letter words starting with

• 5-letter words starting with m

• 5-letter words starting with r

• 5-letter words starting with c

• 5-letter words starting with s

• 5-letter words starting with s

5-letter words in the middle

• 5-letter words in the middle s

• 5-letter words in the middle u

• 5-letter words in the middle o

• 5-letter words in the middle k

• 5-letter words in the middle i

5-letter words ending with

• 5-letter words ending with g

• 5-letter words ending with g

• 5-letter words ending with r

• 5-letter words ending with c

• 5-letter words ending with r

5-letter words excluding

• 5-letter words excluding i

• 5-letter words excluding n

• 5-letter words excluding i

• 5-letter words excluding z

• 5-letter words excluding l