We don't have synonyms for cuckow yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are cuckoo, suckow and luckow.
(n) :
Obsolete form of cuckoo. [Any of various birds, of the family Cuculidae within the order Cuculiformes, famous for laying its eggs in the nests of other species; but especially a common cuckoo (Cuculus canorus), that has a characteristic two-note call.]
(n) :
Obsolete form of cuckoo. [Any of various birds, of the family Cuculidae within the order Cuculiformes, famous for laying its eggs in the nests of other species; but especially a common cuckoo (Cuculus canorus), that has a characteristic two-note call.]