Er
Er noun - A trivalent metallic element of the rare earth group; occurs with yttrium.
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Synonyms for Er
Psst and er are semantically related in emphatic exclamation topic. In some cases you can use "Psst" instead a noun "Er".
Psst
Mutual synonyms
Cite this Source
Psst and Er. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/er/psst
Er & Psst. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/er/psst>.
Psst or Er. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/er/psst.
Google Ngram Viewer shows how "er" and "psst" have occurred on timeline