What's the difference between quinary and septenary?

Quinary

Definition:

• (a.) Consisting of five; arranged by fives.

Example Sentences:

• (1) Besides these three forms, there are two others, quaternary hyperparathyroidism and quinary hyperparathyroidism, which are described.
• (2) The epsilon values for the quaternary and quinary complexes are 6.4 and 3.1, respectively.

Septenary

Definition:

• (a.) Consisting of, or relating to, seven; as, a septenary number.
• (a.) Lasting seven years; continuing seven years.
• (n.) The number seven.

Example Sentences: