| fool-proof(adjective, easy, common, usual) |
| garden variety(adjective, easy, common, usual) |
| ingenuous(adjective, easy, common, usual) |
| mere(adjective, easy, common, usual) |
| multiple(adjective, easy, common, usual) |
| nonspecific(adjective, easy, common, usual) |
| onefold(adjective, easy, common, usual) |
| outage(adjective, easy, common, usual) |
| plain(adjective, easy, common, usual) |
| primitive(adjective, easy, common, usual) |
| pure(adjective, easy, common, usual) |
| rustic(adjective, easy, common, usual) |
| similar(adjective, easy, common, usual) |
| simple(adjective, easy, common, usual) |
| standstill(adjective, easy, common, usual) |
| stoppage(adjective, easy, common, usual) |
| straight(adjective, easy, common, usual) |
| straightforward(adjective, easy, common, usual) |
| transpicuous(adjective, easy, common, usual) |
| unceremonious(adjective, easy, common, usual) |