As a noun aftermath
is (obsolete|or farmers' jargon) a second mowing; the grass which grows after the first crop of hay in the same season.
As an adverb afterward is
(us) subsequently to some other action.
Other Comparisons: What's the difference?
(obsolete, or farmers' jargon) A second mowing; the grass which grows after the first crop of hay in the same season.
That which happens after, that which follows. Has a strongly negative connotation in most contexts, implying a preceding catastrophe.
- In contrast to most projections of the aftermath of nuclear war, in this there is no rioting or looting.
(US) subsequently to some other action
* (Commonwealth English ) afterwards