words like:

• ps*cho
• cr*zy
• ins*ne
• l*me
• r*tarded 
• cr*pple
• d*mb

are 100% ableist, all the time, in every usage. they were thought up and used for the sole purpose of dehumanizing disabled people. there are probably more but it’s 2am and i can’t think of them all, but you get the general idea. 

words like:

• idiot
• stupid
• weak
• sick

are not inherently ableist, but can be used in ableist ways.