Periodic payment
Retainer and periodic payment are semantically related In some cases you can replace term "Retainer" with "Periodic payment", this terms are similar.
Retainer
Retainer noun - A person hired to perform household or personal services.
Periodic payment and retainer are semantically related in retaining fee topic. You can use "Periodic payment" instead a noun "Retainer".
Mutual synonyms
Cite this Source
Retainer and Periodic payment. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/periodic_payment/retainer
Periodic payment & Retainer. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/periodic_payment/retainer>.
Retainer or Periodic payment. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/periodic_payment/retainer.
Google Ngram Viewer shows how "periodic payment" and "retainer" have occurred on timeline