Google calls its web-based diagramming software Google Drawings
(see) and we are in favour of consistency.
Please rename google-drawing > google-drawings.
There are at present about 23 Qs with the google-drawing tag.
Jeff is famous for (amongst other things!) his tweet:
However it is official that the plural versions of tags are preferred in general and precedent that trade marks or the most commonly used versions are preferred, for example see Rename [google-plus-circle] to [google-plus-circles] and:
Without the s
there seems confusion between one app and diagrams in a different app.