e) The doubtful forms should have the same distributional potential as previously established basic terms. In English, the fact that the suffix ‘-ish’ can be added to ‘red’, ‘white’, ‘green’, ‘blue’, defines the whole series as a ‘basic’ one. Applied to Hebrew, this would mean that *שחרחֹר, אדמדַּם, and even ירקרָק point back to primary forms that underline them—אָדֹם, שָחֹר, יָרוֹק The criterion may be especially helpful for establishing the status of יָרוֹק (Job 39:8) which—as it stands—is a hapax