how   
ahoana
how? What? Used in answering a call. Why? What is the cause of it? It is also an exclamation, as ahoana ary! Well then! It admits of the suffix pronouns and tenses: ny faty aza ahoako (I care not for, or I trouble not myself about death; death has no fear for me!) ~ ahoanao izany? (what is that to you?) [1.2]
why? how? [1.7]
aiza
where? Whither? In what place? How? When followed by No it means, by what means? See aia. [1.2]
akory
how! How great! as, akory lahy ny fahabetsahan' ny olona! How numerous are the people! [1.2]
how is that? [1.7]
firy
how many? How often? [Mal. piro.] [1.2]
how many? [1.7]
hafiriana
how many days? [1.2, 1.7]
hoatrinona
how much ? how many ? [1.7]