Play NYT Connections Puzzle #434 Fri, Aug 2

Find groups of four related words Need hints?

Solve NYT Connections puzzle #434 - Group 16 words into 4 categories: STRAIN, TAX, TEST, TRY, MIX, SAMPLE, SCRATCH, SPIN, DIRECT, IRREGULAR, POSSESSIVE, PRESENT, ECOLOGICAL, JEALOUS, LUSH, NAUSEOUS.