I'm not really sure how a domain like chairman.com or chairwoman.co could be used (who the end users would be).. so I'd guess you could get mid to high $xx on flippa.
It means snacks or appetizers in Spanish. I don't think anyone will want this from you but an end user, which could be very difficult to find. If you feel you are spending too much time trying, I would drop it.
cheaprental.space - Nice, I guess. but I know nothing about this extension or niche.
ddzzy.net - Does this have a meaning to you?
maidklean.com - The k ruins it for me..