Checking up
Check in and checking up are semantically related. In some cases you can use "Check in" instead a verb phrase "Checking up".
Check in
Check in verb - Announce one's arrival, e.g. at hotels or airports.
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Synonyms for Check in
Checking up and check in are semantically related. Sometimes you can replace phrase "Checking up" with "Check in", this terms are similar.
Cite this Source
Check in and Checking up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/checking_up/check_in
Checking up & Check in. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/checking_up/check_in>.
Check in or Checking up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/checking_up/check_in.
Google Ngram Viewer shows how "checking up" and "check in" have occurred on timeline