The phrase "more stowed" can have several synonyms depending on the context in which it's used. Some possible synonyms include "further stored," "additional packed," "extra stashed," "greater accumulated" or "increased inventory." "More stowed" could also be altered to express the intensity of the act - for instance, "heavily loaded," "densely packed," or "crammed." These synonyms can be useful in describing an increase of objects or goods stashed away, such as on a cargo ship, in a warehouse or in a storage unit. Regardless of which synonym is chosen, incorporating descriptive language can enhance the evocative quality of the sentence.