Nautical day
Sunup and nautical day are semantically related. In some cases you can use "Sunup" instead a noun phrase "Nautical day".
Sunup
Sunup noun - The first appearance of light in the morning or the time of its appearance.
Nautical day and sunup are semantically related. Sometimes you can use "Nautical day" instead a noun "Sunup".
Mutual synonyms
Cite this Source
Sunup and Nautical day. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/nautical_day/sunup
Nautical day & Sunup. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/nautical_day/sunup>.
Sunup or Nautical day. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/nautical_day/sunup.
Google Ngram Viewer shows how "nautical day" and "sunup" have occurred on timeline