nōnnūllus [nōn + nūllus], adj., some, several.
nōnnumquam [nōn + numquam], adv., sometimes, at times.
[nōscō, ere, nōvī, nōtus], to come to know, become acquainted with; in perf., plup.; and fut. perf., to know.
ad—āgnōscō, ere, gnōvī, gnitus, to recognize.
con—cōgnōscō, ere, cognōvī, cōgnitus, to learn, perceive, understand.
in—īgnōscō, ere, īgnōvī, īgnōtus, to overlook, pardon, forgive.
nota, ae [cf. nōscō], f., a mark, sign.
nōtus [orig. part. of nōscō], adj., well-known, familiar.
novācula, ae, f., a razor.
novem, indecl. num. adj., nine.