Romans 1:26

1:26 For this reason God gave them over to dishonorable passions. For their women exchanged the natural sexual relations for unnatural ones, ¹ 

Romans 4:4

4:4 Now to the one who works, his pay is not credited due to grace but due to obligation. ² 

[1:26]  ¹ tn Grk “for their females exchanged the natural function for that which is contrary to nature.” The term χρῆσις (crhsi") has the force of “sexual relations” here (L&N 23.65).

[4:4]  ² tn Grk “not according to grace but according to obligation.”