:: : : : : : The standard I go by is that when the first word is the object of a verb and the second word is the agent noun formed by using-er or a similar suffix on that verb, then a hyphen is required.
22.
However, the classification of morphemes into derivational morphemes ( see word formation ) and inflectional ones is not generally a straightforward theoretical question, and different authors can make different decisions as to the general theoretical principles of the classification as well as to the actual classification of morphemes presented in a grammar of some language ( for example, of the agent noun-forming morpheme ).
23.
(neelix redirect ) there is nothing wrong with this as a word of course although WP : NOTDIC but the target itself is a verb which is usually discouraged per WP : NOUN . It's probably harmlessm, but Isolating can also mean well it can be a depending on your grammar a gerundive or agent noun and we maybe should R it to Isolation?
