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. In some cases you can replace phrase "Checking up" with "Check in", this terms are similar.
Checking up
Check in and checking up are semantically related. You can use "Check in" instead a verb phrase "Checking up".
Cite this Source
Checking up and Check in. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/check_in/checking_up
Check in & Checking up. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/check_in/checking_up>.
Checking up or Check in. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/check_in/checking_up.
Google Ngram Viewer shows how "check in" and "checking up" have occurred on timeline