Synonyms for Shade (same or very similar meaning)
WordNet sense 1 (relative darkness caused by light rays being intercepted by an opaque body):
shadiness, shadowiness
WordNet sense 2 (a slight amount or degree of difference):
tad
WordNet sense 3 (a subtle difference in meaning or opinion or attitude):
nicety, nuance, refinement, subtlety
WordNet sense 4 (a mental representation of some haunting experience):
ghost, specter, spook, wraith, spectre
WordNet sense 5 (a quality of a given color that differs slightly from a primary color):
tincture, tint, tone
WordNet sense 6 (cast a shadow over):
shadow, shade off
WordNet sense 7 (represent the effect of shade or shadow on):
fill in
From the ODE community, based on WordNet
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