The phrase "lays the grave" can be replaced with several synonyms to convey the same meaning. A few options are "buries," "interred," "commits to the earth," and "lays to rest." Each of these phrases suggests the act of putting a deceased person into their final resting place. The choice of synonym may depend on the tone and context of the writing, as well as personal preference. Regardless of the exact words used, the sentiment behind the phrase remains the same: a loved one has passed on and it is time for them to be put to rest.