Deficiencies
Weakness and deficiencies are semantically related. in imperfection topic. In some cases you can use "Weakness" instead a noun "Deficiencies".
Weakness
Weakness noun - The quality or state of lacking physical strength or vigor.
Deficiencies and weakness are semantically related. Sometimes you can replace term "Deficiencies" with "Weakness", this nouns are similar.
Cite this Source
Weakness and Deficiencies. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/deficiencies/weakness
Deficiencies & Weakness. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/deficiencies/weakness>.
Weakness or Deficiencies. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/deficiencies/weakness.
Google Ngram Viewer shows how "deficiencies" and "weakness" have occurred on timeline