in this case is with -er since "hest" is one syllable word but masculine and not neuter, am I right?
Right, "hest" is a masculine word, but this rule is not absolute. "Ting" is a masculine word that does not change in the plural, for example.
yes horses do
sorry meant horses my mistake
plz dont ban me
nvm i editited it .... thank god
Tongue twister :D