| handiness(noun, art, artifice, adroitness, adeptness) |
| happy hunting ground(noun, base, core, center, central) |
| headquarters(noun, base, core, center, central) |
| heart(noun, base, core, center, central) |
| help(noun, benefit, aid, advantage, boon) |
| hireling(noun, hand, worker, retainer, jobholder) |
| hive(noun, base, core, center, central) |
| hot spot(noun, base, core, center, central) |
| hotbed(noun, base, core, center, central) |
| hub(noun, base, core, center, central) |
| ingenuity(noun, art, artifice, adroitness, adeptness) |
| intimacy(noun, proficiency, expertise, know-how, moxie) |
| inventiveness(noun, art, artifice, adroitness, adeptness) |
| jobber(noun, hand, worker, retainer, hireling) |
| jobholder(noun, hand, worker, retainer, hireling) |
| kernel(noun, base, core, center, central) |
| knack(noun, art, artifice, adroitness, adeptness) |
| knowledge(noun, art, artifice, adroitness, adeptness) |
| laborer(noun, hand, worker, retainer, hireling) |
| learning(noun, art, artifice, adroitness, adeptness) |