| Subject | Spanish | English |
| baseb. | Devil Rays | Devil Rays |
| life.sc. | diagrafía gamma-ray | gamma-ray log |
| commun., IT | disco blu-ray | Blue-ray Disc |
| med. | manía de Ray | moral insanity |
| med. | manía de Ray | pathomania |
| med. | manía de Ray | moramentia |
| med. | manía de Ray | Ray's mania |
| med. | prueba de Harris y Ray | Harris and Ray test |
| agric. | ray-gras inglés | rye-grass |
| agric. | ray-grass anual | Italian ryegrass (Lolium multiflorum) |
| nat.sc., agric. | ray-grass de Italia | Italian ryegrass (Lolium italicum A. Br., Lolium multiflorum Lam.) |
| life.sc., agric. | ray-grass hibrido | hybrid ryegrass (Lolium xhybridum, Lolium xboucheanum) |
| agric. | ray-grass híbrido | hybrid ryegrass (Lolium hybridum Hausskn) |
| nat.sc., agric. | ray grass ingles | perennial blue tagged (Lolium perenne L.) |
| nat.sc., agric. | ray grass ingles | red darnel (Lolium perenne L.) |
| nat.sc., agric. | ray grass ingles | perennial ryegrass (Lolium perenne L.) |
| nat.sc., agric. | ray grass ingles | common ryegrass (Lolium perenne L.) |
| nat.sc., agric. | ray grass ingles | beardless ryegrass (Lolium perenne L.) |
| nat.sc., agric. | ray grass ingles | English ryegrass (Lolium perenne L.) |
| nat.res., agric. | ray-grass inglés | English rye-grass (Lolium perenne Lin., Lolium perenne) |
| agric. | ray-grass inglés | English ryegrass (Lolium perenne) |
| agric. | ray-grass inglés | perennial ryegrass (Lolium perenne L) |
| agric. | ray-grass italiano | Italian ryegrass (Lolium multiflorum) |
| agric. | ray-grass perenne | perennial ryegrass (Lolium perenne) |
| agric. | ray-grass perenne | English ryegrass (Lolium perenne) |
| bot. | ray-grass Winmera Lolium rigidum (l.subulatum) | Winmera ryegrass |
