Characteristic
Characteristic adjective - Serving to identify as belonging to an individual or group.
Internal and characteristic are semantically related. In some cases you can use "Internal" instead an adjective "Characteristic".
Internal
Internal adjective - Situated farther in.
Characteristic and internal are semantically related. Sometimes you can use "Characteristic" instead an adjective "Internal".
Both words in one sentence
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However, the line created an internal Tertiary Sexual Characteristic, the color blue.
Source: Tertiary Sexual Characteristics - The main characteristic of the alien being that it has godlike power but can't act in even the slightest manner (like walking) if it's internal personalities disagree to do so (which they near always do).
Source: Debate and Switch - Dolls will turn on and kill a weak master; this suggests that although the individual Bount's elemental affinity is an internal characteristic that determines what Doll they can summon, the Dolls come from the environment and return to the environment when their masters die.
Source: Bond Creatures
Cite this Source
Internal and Characteristic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/characteristic/internal
Characteristic & Internal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/characteristic/internal>.
Internal or Characteristic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/characteristic/internal.
Google Ngram Viewer shows how "characteristic" and "internal" have occurred on timeline