構成 （コウセイ） composition, construction, formation, makeup, structure, organization, organisation

構図 （コウズ） composition (of painting), structural outline, compositional arrangement

遺構 （イコウ） (archaeological) remains, remnants (of ancient structures), ancient foundation

外構え （ソトガマエ） outward appearance (of a house), exterior, external structure (of a building; e.g. gate, fence, garage), exterior structure

構える （かまえる） to set up (a house, store, etc.), to build, to establish, to run, to maintain, to have at the ready (e.g. a gun), to hold in preparation (e.g. a camera), to prepare in advance (e.g. a meal), to adopt a posture, to assume a stance, to stand ready, to be poised for, to put on an air, to assume an attitude, to stiffen, to tense up, to become formal, to fabricate in order to deceive, to make up, to feign, to plan, to scheme

構う （かまう） to mind, to care about, to be concerned about, to have a regard for, to be an issue, to matter, to create inconvenience, to keep company, to care for, to look after, to entertain, to pay attention to, to spend time with, to interfere with, to meddle in, to tease, to banish, to prohibit

構うものか （かまうものか） who cares?, I don't give a damn, what does it matter?