Sixteen insight knowledges and seven purifications appear in every word of tipitaka

When you use that pāli (and it's practical pāli) to search in tipitaka the 16 ñāṇa and 7 viduddhi will appear in every word of tipitaka.

A.N. Sattakanipāta, Sattaṭṭhānasutta:

And any brahmans or contemplatives who by directly knowing consciousness in this way,
directly knowing the origination of consciousness in this way (udaya-ñāṇa),
directly knowing the cessation of consciousness in this way (vaya-ñāṇa),
directly knowing the path of practice leading to the cessation of consciousness in this way (paṭipadāñāṇadassana-visuddhi),
directly knowing the allure of consciousness in this way (ñāta-pariññā),
directly knowing the drawback of consciousness in this way (ādīnava-ñāṇa),
directly knowing the escape from consciousness in this way (magga-ñāṇa),
are — from disenchantment (nibbidā-ñāṇa),
dispassion (virāga-ñāṇa),
cessation (niroda-ñāṇa), lack of clinging/sustenance with regard to consciousness —
released (vimutti-ñāṇa), they are well-released.
Those who are well-released are fully accomplished. And with those who are fully accomplished, there is no cycle for the sake of describing them.

ñāta-pariññā=abhiññāta-pajānana=dhammaṭṭhitiñāṇa=paṭiccasamuppāda-knowledge, you can compare S.N.nidānavagga, 1st sutta, etc, with K.N. Paṭisambhidāmagga dhammaṭṭhitiñāṇa, and visuddhimagga.

Etc.