prefix+word+book+find+12309

subtotal ||= comrade ||= endanger ||= progress ||=  ||
 * = Sub - ||= com - ||= en - ||= pro- ||= Sort ||
 * = subway ||= combine ||= enable ||= propel ||=  ||
 * = subset
 * = submarine ||= company ||= enlarge ||= propose ||=  ||
 * = subtitle ||= compress ||= entrust ||= protect ||=  ||
 * = submerge ||= companion ||= encourage ||= promote ||=  ||
 * =  ||= compound ||= enforce ||= provider ||=   ||