Names #27, #600 · Viṣṇu Sahasranāma
शिवःśivaḥ
Shiva — appears 2 times in the stotram, each with its own meaning
Name #27
The eternally auspicious one
From shloka 4 · chapter Matsya
सर्वः शर्वः शिवः स्थाणुर्भूतादिर्निधिरव्ययः ।
सम्भवो भावनो भर्ता प्रभवः प्रभुरीश्वरः ॥
sarvaḥ śarvaḥ śivaḥ sthāṇurbhūtādirnidhiravyayaḥ
sambhavo bhāvano bhartā prabhavaḥ prabhurīśvaraḥ
Also in this shloka: sarvaḥ · śarvaḥ · sthāṇuḥ · bhūtādiḥ · nidhiravyayaḥ · sambhavaḥ · bhāvanaḥ · bhartā · prabhavaḥ · prabhuḥ · īśvaraḥ
Name #600
The auspicious — whose very name purifies
From shloka 64 · chapter Paraśurāma
अनिवर्ती निवृत्तात्मा सङ्क्षेप्ता क्षेमकृच्छिवः ।
श्रीवत्सवक्षाः श्रीवासः श्रीपतिः श्रीमतांवरः ॥
anivartī nivṛttātmā saṅkṣeptā kṣemakṛcchivaḥ
śrīvatsavakṣāḥ śrīvāsaḥ śrīpatiḥ śrīmatāṃvaraḥ
Also in this shloka: anivartī · nivṛttātmā · saṅkṣeptā · kṣemakṛt · śrīvatsavakṣāḥ · śrīvāsaḥ · śrīpatiḥ · śrīmatāṃ varaḥ