Sexagenarian vs. Septuagenarian

Sexagenarianadjective

Being between the age of 60 and 69, inclusive. In one's seventh decade.

Sexagenariannoun

A person who is 60 years old or between the ages of 60 and 69.

Sexagenariannoun

A person who is sixty years old.

Sexagenariannoun

someone whose age is in the sixties

Sexagenarianadjective

being from 60 to 69 years old;

Septuagenarianadjective

Being between the age of 70 and 79, inclusive. In one's eighth decade.

Septuagenarianadjective

Of or relating to a septuagenarian.

Septuagenariannoun

One who is between the age of 70 and 79, inclusive.

Septuagenariannoun

A person who is seventy years of age; a septuagenary.

Septuagenariannoun

someone whose age is in the seventies