This query should find everything with a display name of "Safari." That should include, for example, /Applications/Safari.app.
[bigbook:/tmp] sef% mdfind 'kMDItemDisplayName == "Safari"c'
/Library/Application Support/Apple/Safari
/Library/Apple/System/Library/Assistant/Plugins/Safari.assistantBundle/Contents/MacOS/Safari
/Users/Shared/Previously Relocated Items 1/Security/System/Library/AssetsV2/com_apple_MobileAsset_MacSoftwareUpdate/f7b05c91052116c046919f72de2c03a86cabcf3e.asset/AssetData/payloadv2/ecc_data/System/Library/Templates/Data/Applications/Safari.app
/Users/Shared/Previously Relocated Items/Security/Developer/SDKs/MacOSX10.6.sdk/System/Library/PrivateFrameworks/Safari.framework/Versions/A/Safari
/Users/Shared/Previously Relocated Items/Security/Developer/SDKs/MacOSX10.7.sdk/System/Library/PrivateFrameworks/Safari.framework/Versions/A/Safari
/Users/sef/Applications/Microsoft Office 2004/Office/Themes/safari
/Users/sef/Library/Application Support/SyncService/LastSync Data/Safari
And yet, /Applications/Safari.app is in fact missing from there.
Why? (This used to work. But then mds was broken on my machine, so I bit the bullet and upgraded to Monterey. Multiple Monterey systems are showing this weird behaviour.)