R1A1R1E1F4Y4
12 points
RAREFY is validvalid
to make less dense [v RAREFIED, RAREFIES, RAREFYING] : RAREFIER [n]
to make less dense, also RARIFY [v RAREFIED, RAREFYING, RAREFIES]
to make less dense [v RAREFIED, RAREFIES, RAREFYING] : RAREFIER [n]
to make less dense, also RARIFY [v RAREFIED, RAREFYING, RAREFIES]