Tagalog ako

← Proto-Austronesian *(i-)aku (inherited)

← Proto-Philippine *ʔakúʔ (inherited)

← Proto-Malayo-Polynesian *(i-)aku (inherited)

→ Maori aku (cognate)

→ Thai กู (cognate)

→ Tagalog akuin (suffix)

→ Tagalog pangako (prefix)

→ Tagalog mangako (prefix)

→ Tagalog makaako (prefix)

→ Tagalog maako (prefix)

→ Urak Lawoi' กู (cognate)