Similar word to side:
ancillary, incidental, indirect, lateral, lesser, marginal, not the main, oblique, off-center, postern, roundabout, secondary, sidelong, sideward, sideways, sidewise, skirting, subordinate, subsidiary, superficial
ancillary, incidental, indirect, lateral, lesser, marginal, not the main, oblique, off-center, postern, roundabout, secondary, sidelong, sideward, sideways, sidewise, skirting, subordinate, subsidiary, superficial