| avail(noun, support, hold, break, drop) |
| backup(substitute, replacement, alternative, alternate, surrogate) |
| boon(noun, support, hold, break, drop) |
| break(noun, support, hold, drop, good) |
| careworn |
| changeling(supply, agent, replacement, alternative, alternate) |
| choice(noun, support, hold, break, drop) |
| comfort(noun, support, hold, break, drop) |
| compatibility(readiness, suitability, consistency, qualification, appropriateness) |
| competence(readiness, suitability, consistency, qualification, appropriateness) |
| concurrency(readiness, suitability, consistency, qualification, appropriateness) |
| congeniality(readiness, suitability, consistency, qualification, appropriateness) |
| congruousness(readiness, suitability, consistency, qualification, appropriateness) |
| consonance(readiness, suitability, consistency, qualification, appropriateness) |
| contrivance(noun, substitute, practicality, usefulness, makeshift) |
| correspondence(readiness, suitability, consistency, qualification, appropriateness) |
| decorum(readiness, suitability, consistency, qualification, appropriateness) |
| delegate(supply, agent, substitute, replacement, alternate) |
| deputy(substitute, replacement, alternative, alternate, backup) |
| design |