Quel ami commun avons-nous? in French is "Which friend do we have in common?" in English.
commun or ordinaire
The masculine singular commun and the feminine commune for "shared," the masculine singular courantand the feminine courante for "frequent," and the feminine/masculine singular ordinaire for "ordinary" are French equivalents of the English word "common." The respective pronunciations of the above-mentioned adjectives will be "kuh-meh" and "kuh-myoon," "koo-raw" and "koorawnt," and "or-dee-nehr" in French.
juke l'hôtel commun.
Le cochon d'Inde Le cobaye commun
commun, fréquent / fréquente
the common dolphin (particular species of dolphin) is called 'le dauphin commun' in French.
'Carnation' is an English equivalent of 'oeillet commun' [Dianthus caryophyllus].The masculine noun 'oeillet' means 'carnation'. Its singular definite article is 'l'* ['the'], and its singular indefinite article 'un' ['a, one']. The masculine adjective 'commun' means 'common'.Together, they're pronounced 'uh-yeh kuh-meh'.*The masculine singular definite article actually is 'le'. But the vowel 'e' drops before a noun that begins with a vowel. The temporary nature of the drop is indicated by an apostrophe: 'l'oeillet'.
Common sense is "le bon sens" in French. You could also hear the more literary (or at least used a high level of language) expression "le sens commun", but this is much less in use.
Transports en commun lyonnais was created in 1942.
Un Transport en Commun was created in 2009.
nous devrions faire preuve de sens commun / de bon sens
Je suis heureux/heureuse que nous avons des interêts en commun.