Doctor
Doctor noun - A person specially trained in healing human medical disorders.
PhD
PhD noun - A doctorate usually based on at least 3 years graduate study and a dissertation; the highest degree awarded graduate study.
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Synonyms for PhD
Mutual synonyms
Both words in one sentence
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In a real-life case of this trope at work, the author of PHD was almost denied entry to the UK when the immigration officer cited that, while he has a PhD, he is not a real doctor.
Source: Not That Kind of Doctor -
Steel's PhD is never elaborated on (according to him, he is a "doctor of reality engineering"), but he's "displayed" skills in engineering, mathematics, biology, medicine, chemicals... Ominous Opera Cape: Steel has a PVC one, but is rarely seen wearing it.
Source: Music / Doctor Steel -
Bong is a Mad Scientist and not a real doctor, but years after his conflict with Howard, he tries to earn a legitimate PhD in psychology.
Source: Morally Ambiguous Doctorate
Cite this Source
PhD and Doctor. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/doctor/phd
Doctor & PhD. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/doctor/phd>.
PhD or Doctor. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/doctor/phd.
Google Ngram Viewer shows how "doctor" and "PhD" have occurred on timeline