Even aside from the trademark issue, we should generally avoid using those terms as verbs (or as common nouns) in straight-news contexts.
For instance, proper names like Picasso can be converted into (used as) common nouns: The professor has two Picassos in his class.
Even in light of this qualified version of the Autonomy Thesis, the most that can be said of, 'I promise to climb the Eiffel Tower,' is that it is designed to be used to make promises, just as common nouns are designed to be used to refer to things and predicates are designed to characterize things referred to.
In skaldic poetry Geri and Freki are used as common nouns for "wolf" in chapter 58 of Skáldskaparmál (quoted in works by the skalds Þjóðólfr of Hvinir and Egill Skallagrímsson) and Geri is again used as a common noun for "wolf" in chapter 64 of the Prose Edda book Háttatal.
For example, a boy and the boys are left uncapitalized as common nouns, as they could refer to any boy.
He recognizes the difference between 'God' used as a proper noun, and 'god' used as a common noun.
Notice however the back and forth between the use of 'God' as a proper name and the use of 'god' as a common noun.
As a common noun, a "tea party" is a gathering where tea is served, or something Alice would attend.
For the record, the word "greenhorn" occurs twice in the book as a common noun, applied to someone else.
I do not feel that I have been recompensed in the slightest for my £145.50 licence fee by being informed that, "The English use of 'peak' as a common noun for a mountaintop appears in the 17th Century – though it had been used before that for other sharp or pointed things".
In the Five Ways, he does not use 'god'as a proper name, but as a common noun having five different nominal definitions.
