Tracing, tracking; detection, discovery

head of a department

department, bureau, section, office, court

profitability

supply food, delivering sustenance

hurting, injuring, damaging, causing pain

beneficence

to harm, to damage, Metaphorically: to give pain

injuring, hurting, torturing, causing pain

providence, giving livelihood

causing injury, damaging, doing harm (to)

detective, discoverer, finder, explorer

search, sign, mark, trace, clue, footsteps, tracks, spying, enquiry

reach

search out, discover, seek, track, trace, get a clue (to), get an inkling

get a clue or trace

to find, to search

detective, spy

bestowing comfort, giving rest

water supply

sending of message

news-giving, informing

supply, stock

departments

strength, stability, maturity, connectivity

state of subjugation, subjection, subordination