Collaborators
Fifth columns and collaborators are semantically related In some cases you can replace phrase "Fifth columns" with "Collaborators", this terms are similar.
Fifth columns
Collaborators and fifth columns are semantically related in secret or subversive group topic. You can use "Collaborators" instead a noun phrase "Fifth columns".
Mutual synonyms
Cite this Source
Fifth columns and Collaborators. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/collaborators/fifth_columns
Collaborators & Fifth columns. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/collaborators/fifth_columns>.
Fifth columns or Collaborators. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/collaborators/fifth_columns.
Google Ngram Viewer shows how "collaborators" and "fifth columns" have occurred on timeline