lest   
andrao
lest, peradventure, fear lest. Same as fandrao. [Richardson 1885]
androa
lest, peradventure. Same as andrao. [Richardson 1885]
fandrao
[fa and andrao.] Lest, for fear that. [Richardson 1885]
fandroa
[fa and andrao.] Lest, for fear that. [Richardson 1885]
sao
lest perchance, for fear that; also used as follows: sào misy vàry aty aminao?: do you happen, to have any rice ? [Hallanger 1973]