| volunteer work | 12.71 | Volunteer work at the hospital. | ||
| volunteer group | 6.06 | Legatus is a volunteer group. | ||
| volunteer firefighter | 5.99 | He serves as a volunteer firefighter. | ||
| volunteer effort | 3.95 | It is largely a volunteer effort. | ||
| volunteer worker | 3.95 | Volunteer workers restored some planes at Tamiami Airport. | ||
| volunteer program | 3.69 | The good list was headed by the volunteer program. | ||
| volunteer organization | 2.90 | This is a volunteer organization. | ||
| volunteer coach | 2.17 | He continued as a volunteer coach. | ||
| volunteer service | 2.04 | However, YSM will continue with its volunteer services in Laos. | ||
| volunteer fireman | 1.84 | Nor do old volunteer firemen die unmourned. | ||
| volunteer activity | 1.65 | Her volunteer activities keep her young, she believes. | ||
| volunteer fighter | 1.51 | He said the volunteer fighters were acting on their own initiative. | ||
| volunteer force | 1.51 | The volunteer forces also would receive upgraded equipment. | ||
| volunteer doctor | 1.38 | Some volunteer doctors were turned away. | ||
| volunteer agency | 1.25 | Volunteer agencies say the figure is much higher. | ||
| volunteer basis | 1.25 | The work is strictly on a volunteer basis. | ||
| volunteer lawyer | 1.25 | Volunteer lawyers lectured demonstrators on their legal rights. | ||
| volunteer corps | 1.12 | A technology volunteer corps could also help with prevention. | ||
| volunteer job | 0.99 | Caring for the cemeteries is mostly a volunteer job. | ||
| volunteer opportunity | 0.99 | It exposes them to volunteer opportunities. |