Osm:Users.show.comments/qqq

It's a plural noun.

A button used on userpages:
https://www.openstreetmap.org/user/test

It's a link to a list of diary entry comments posted by a user.

Identical messages: [edit this list]

MediaWiki Core messages

• Filehist-comment (“Comment”)
• Import-comment [with colon] (“Comment:”)

MediaWiki Extensions/Skins messages

• Abusefilter-history-comments [plural] (“Comments”)
• Changeauthor-comment [with colon] (“Comment:”)
• Code-comments [plural] (“Comments”)
• Code-field-comments [plural] (“Comments”)
• Code-rev-message [with colon] (“Comment:”)
• Commentbox-first-comment-heading [plural, with heading] (“=='"`UNIQ--h-0--QINU`"' Comments ==”)
• Commentbox-regex [plural, with regular expression code] (“/\n==\s*Comments\s*==\s*\n/i”)
• Comments-comment (“Comment”)
• Donate interface-comment-label [with colon] (“Comment:”)
• Donate interface-comment (“Comment”)
• Lqt-history-comment (“Comment”)
• Protectsite-comment [with colon] (“Comment:”)
• Requestwikiqueue-request-label-comment [with colon] (“Comment:”)
• Revreview-log [with colon] (“Comment:”)
• Sitemetrics-comments [plural] (“Comments”)
• Visualeditor-commentinspector-title (“Comment”)
• Visualeditor-commentinspector-tooltip (“Comment”)
• Wikihiero-comment (“Comment”)
• Workflows-form-instructions-comment (“Comment”)
• Workflows-form-placeholder-comment (“Comment”)

OpenStreetMap

• Browse.changeset.comment [plural, with parameter] (“Comments (%{count})”)
• Javascripts.changesets.show.comment [verb] (page does not exist)
• Notes.show.comment [verb] (“Comment”)

Phabricator

• phabricator-core-153d7a58b3a3e898 (“Comment”)

Wikimedia

• Swviewer-diff-info-comment [with colon] (“Comment:”)
• Wpcleaner-2a5264-Comment: [with colon] (“Comment:”)