flank.o
A: side (as distinct from front or back), breast (of a ship), flank (of an army)
F: flanc, côté (tous sens)
G: Weiche, Flanke (es. Körperser. Armee), Seite
H: flanco, costado (todos sentidos)
I: fianco

later.o
A: side (geom., archit.)
F: côté (anat., archit., géom.)
G: Seite (geom., arch., anat.)
H: lado (geom., arq., anat.)
I: lato [geom., archit., anat.]