Age-old and Demode

Age-old adjective - Dating or surviving from the distant past.

Demode and age-old are semantically related In some cases you can use "Demode" instead an adjective phrase "Age-old".

Demode adjective - Out of fashion.

Age-old and demode are semantically related in old topic. You can use "Age-old" instead an adjective "Demode". obsolete substitute