Grammar Disdain

Can I use disdain this way?:

The two have been disdain with each other for as long as Walter can remember.

If not, would it work if it were 'in disdain'? Any other thoughts on how to say it?

 

The two have regarded one another with disdain as long as Walter could remember.

 

Sometimes it is the easiest one's that are the hardest for me . Thank you so much for your help!!

 

The two have disdained each other for as long as Walter can remember.
The two have felt scorn for each other for as long as Walter can remember.
The two have felt contempt for each other for as long as Walter can remember.

 

Disdain is one of my favorite words! Use it whenever I get a chance.

 

Dis dain or dat dane?

 

What you have doesn't quite work. Maybe something like... The disdain between the two has been there for as long as Walter can remember.