We don't have synonyms for revanchists yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are revanchist and revanchism.
(adj) :
Seeking revenge or otherwise advocating retaliation, especially against a nation which has previously defeated and humiliated the revanchist party in war. Originally referred to the French indignation over losing Alsace-Lorraine to Germany in the Franco-Prussian War.
(n) :
A revanchist person; occasionally, anyone seeking vengeance.
(adj) :
Seeking revenge or otherwise advocating retaliation, especially against a nation which has previously defeated and humiliated the revanchist party in war. Originally referred to the French indignation over losing Alsace-Lorraine to Germany in the Franco-Prussian War.
(n) :
A revanchist person; occasionally, anyone seeking vengeance.