• 建築けんちく — architecture
• 築きずく — to build; to establish
• 新築しんちく — newly built
• 改築かいちく — reconstruction
• 増築ぞうちく — extension (of a building)
• 築地つきじ — Tsukiji (area in Tokyo)

This kanji is a phono-semantic compound: the top part 竹 (bamboo) often appears in characters related to construction materials, and the bottom part expresses sound and meaning. The character originally referred to solid structures, especially those built by stacking earth. Over time, it extended metaphorically to include constructing systems, societies, and ideas.

新しん築ちくの 家いえに 引ひっ越こしました。
We moved into a newly built house.

彼かれは ゼロから会社かいしゃを 築きずいた。
He built his company from scratch.