Shiva Purana
संज्ञा सहाशिवादीनां पञ्चोपाधिपरिग्रहात् ॥ उपाधिविनिवृत्तौ तु यथास्वं विनि वर्तते ॥ ३ ॥
The five names of Sadāśiva are dependent on their condition. If the condition alters the name too alters.
english translation
saMjJA sahAzivAdInAM paJcopAdhiparigrahAt ॥ upAdhivinivRttau tu yathAsvaM vini vartate ॥ 3 ॥
hk transliteration by Sanscript