Homeowner can be either one or two words, but most often today, it is written as one word: "homeowner." Most compound words started off as two separate words. Over time, some (not all) became one word.
Baseball and softball.
The player that hit the home run would be credited with two RBIs. A player that hits a home run gets credited with an RBI for every run that scores because of the home run. If no one is one base, it is one RBI. If one is on base, two RBIs. If two are on base, three RBIs. If the bases are loaded, four RBIs.
It is two words.
No, but many people were close.
Mobile home, two words.
No it's two words
Role model is two words. There would be no reason to run them together.
"Home sale" is typically written as two separate words.
2 home runs ==== There are two runs that score. One run is the person on base and the second run is the person who hit the home run.
"Home seller" is typically written as two separate words.
3.