Proto-IE: *ēg'-
Meaning: to say, to tell
Tokharian: A,B āks- 'announce, proclaim, instruct, recite' (PT *āks-) (Adams 38-39)
Armenian: asem `sage'
Old Greek: *ēg'-t: hom. ipf. ē̂ `er sprach' (sekund. nachhom. Neubildungen ipf. 1 sg. ē̂n, prs. 1 sg. ēmí); pf. (prs.-Bed.) án-ōga `befehlen' (sekund. prs. anṓgō)
Latin: aiō, aī̆s `bejahen, behaupte, sagen'; adagiō `Sprichwort', prōdigium `Vorzeichen', pl. axāmenta `carmina Saliaria', indigitāre `anrufen', Aius Locūtius `der Gott, der durch seine Stimme das Herannahen der Gallier verkündete'
Other Italic: Umbr aiu `oracula'
Russ. meaning: говорить
Proto-IE: *lāb-
Meaning: to slip
Latin: lābor, -ī, lāpsus sum `gleiten, schlüpfen, rennen; ausgleiten, straucheln, fehlen, sinken', lāpsus, -ūs m. `Fall', lābēs, -is f. `Einsinken, Fall, Erdrutsch; Untergang, Verderben; körperliches Gebrechen, Seuche'
Russ. meaning: скользить
References: WP II 431 f