The rules that use the vocabulary item "fighting" are:

<i_f_v-sing>

bradley infantry fighting vehicle with stinger

<i_f_v-pl>

bradley infantry fighting vehicle with stingers

<dig_in_verb-not_located>

prepare fighting position for

prepare fighting positions for

<displayable_thing>

fighting positions

<dig_in_verb-located>

prepare fighting position for

prepare fighting positions for

<i_f_v>

bradley infantry fighting vehicle with stinger

bradley infantry fighting vehicle with stingers

<battle_position_noun>

fighting hole

fighting position