Words

Arabic
laṯaγat- - gum (BK 2 965)

Cf. a variant root laṯˁat-­ ‘the bottom of the lips on the inside, the part of the lips that touches the roots of the teeth’ [BK 2 965]. 

Arabic
lubbat- - the upper chest that meets the collarbone (BK 2 955)

The suffix -ān­ in labān-. 

Arabic
labbat- - upper part of the chest, low neckline, throat (WKAS II 84)
Arabic
labān- - chest, especially the part between the teats, chest (of any hoofed animal); breast (BK 2 962, WKAS II 169)
Arabic
lubb- - what is in the inside; understanding, intelligence, mind (Lane 2643)
Arabic
lubaˀat-, labuˀat- - lioness (BK 2 956, Lane 2644)
Arabic
labab- - the top of the chest or chest from which descends a necklace or other neck adornment; chest strap (of horse etc.) (BK 2 955; WKAS II 83)
Arabic
labīḫat- - musk purse (BK 2 957 )

Note the translation ‘vésicule de musc’ (”musk vesicle”) in [Belot Arb.-Fr. 718] as well as labīḫ-­ ‘bladder, container for musk’ in [WKAS II 108]. 

Arabic
laban- - milk (Lane 3007)
Arabic
lubn- - tree (LA 12 377)