to lose one's awareness

spirit of the dead, ghost, departed soul

command (of troops) / commander

to command (troops)

What? What did you say?

whatchamacallit, X

nothing

what number, how many (used with a counter) / (used with も) many (used with a counter)

What?, Huh?

what / that thing (used in place of words you can't remember at the moment.)