1) Bury 2) Bury awful note from doctor 3) Bury in a pyramid 4) Consign to a pyramid 5) Enter into a plot 6) Finally put an end to 7) French word used in English 8) Inhume 9) Inter 10) Inter in mausoleum 11) Lay to final rest 12) Lay to rest 13) Place a dead body in a vault 14) Place in a crypt 15) Place in a grave or tomb Found on https://www.crosswordclues.com/clue/entomb
En·tomb' transitive verb [ imperfect & past participle Entombed ; present participle & verbal noun Entombing .] [ Prefix en- + tomb : confer Old French entomber .] To deposit in a tomb, as a dead body; to bury; to i... Found on http://www.encyclo.co.uk/webster/E/49