Wanna go for a walk?
You can imagine the disappoint when talking about socks, talks, locks.
Talk: https://www.youtube.com/watch?v=BG9GBNr7kFk
Sock: https://www.youtube.com/watch?v=6cpffNd2GaA
Lock: https://www.youtube.com/watch?v=YPN_94VMk8Q
Sock and lock sound similar to me, and so do walk and talk. But walk/talk and sock/lock sound quite dissimilar.
We've adopted "treaties???" for rewarding our current dog and it works doubly to get her to distill that energy for a little bit.