Prefix + 'chair'
armchair, bedchair, cochair, highchair, pushchair, wheelchair,
'chair' + Suffix
chairborne, chairbound, chaired, chairing, chairladies, chairlady, chairman, chairmaned, chairmaning, chairmanned, chairmanning, chairmans, chairmanship, chairmanships, chairmen, chairperson, chairpersons, chairs, chairwoman, chairwomen,
