担当【たんとう】
being in charge (of an area of responsibility), being responsible (for a work role, etc.)
負担【ふたん】
burden, load, responsibility, bearing (a cost, responsibility, etc.), shouldering
担保【たんぽ】
security, guarantee, collateral (e.g. mortgage)
分担【ぶんたん】
taking on one's share (e.g. of work), dividing (work, expenses, etc.) between, apportionment, allotment, allocation, assignment
担任【たんにん】
being in charge of (esp. a class or subject), taking charge of, class teacher, homeroom teacher, form teacher
担架【たんか】
stretcher, litter (medical), gurney
担ぐ【かつぐ】
to shoulder, to carry on one's shoulder, to nominate for a position, to choose as a representative, to take (someone) for a ride, to deceive, to take in, to be caught up in superstition
担う【になう】
to carry on one's shoulder, to shoulder, to bear, to bear (burden, responsibility, etc.), to take upon oneself