оптимальный
optimus [a, um];
попутчик
comes [itis, m];
количественный
quantitativus [a, um];
rubens; rubellus [a, um]; subruber, bra, um; subrufus [a, um]; subrubicundus [a, um]; russeus [a, um]; russeolus [a, um]; subrutilus [a, um]; fulvus [a, um]; fulvaster, tra, um;