these words were created for use by linguists. if the opinion had been that they should not be pronounced it would not have been the first time they had a meaning. it would have been forbidden and safe for the arabic language to remove these names and words from it.
وإنما وضعت هذه الألفاظ ليستعملها أهل اللغة، ولو كان الرأي ألا يلفظ بها ما كان لأول كونها معنى، ولكان في التحريم والصون للغة العرب أن ترفع هذه الأسماء والألفاظ منها.