reddish

As an adjective reddish

is somewhat red.

As a verb gac is

to guard; to watch or gac can be to put something on something; to hang something on something.

As an adjective reddish

is somewhat red.

As a noun reddishness is

the quality of being reddish.

As an adjective reddish

is somewhat red.

As a noun sinopia is

a reddish-brown ochre-like pigment, derived from sinople, used in traditional oil painting and as the cartoon for frescos.

As adjectives the difference between reddish and rosaceous

is that reddish is somewhat red while rosaceous is of or pertaining to a rose, or a member of the rosaceae family of plants or rosaceous can be resembling or characteristic of rosacea; rosy; reddish.