As nouns the difference between blew and alew
is that blew is obsolete form of lang=en while alew is a cry of despair.
As a verb blew
is simple past of blow.
blew
English
Verb
(head)
(blow)
alew
English
Noun
(
en noun)
(obsolete, rare) A cry of despair.
*1596 , (Edmund Spenser), The Faerie Queene , V.6:
*:Yet did she not lament with loude alew , / As women wont, but with deepe sighes and singults few.