Bhagavad Gītā Chapter Seven verse 2

jñānaṃ te ’haṃ savijñānam idaṃ vakṣyāmy aśeṣataḥ |
yaj jñātvā neha bhūyo ’nyaj jñātavyam avaśiṣyate ||

jñāna - knowing; knowledge; higher knowledgevijñāna - special knowing, comprehension

Commentaries and Reflections

TKV Desikachar:

Jñānam is the wisdom of ‘I am that’.
Vijñānam is the discernment that ‘I am not this’ ‘I am not that’.”