tattvah
anumeya-tattvaḥ — understood by the Vedas; SB 4.1.57
anumeya-tattvaḥ — the Absolute Truth can be guessed; SB 4.24.65
sa-tattvaḥ — with all knowable facts; SB 5.1.6
paramātma-sa-tattvaḥ — the truth of the constitutional position of the spirit soul and the Supersoul; SB 5.13.25
tattvāḥ — its essence; SB 10.35.14-15