How to say "erection" in Japanese

• 組み立てくみたてCommon
  nounCovers 'erection' in the physical sense of putting a structure together from parts; its core meaning is assembly, so think of it for frames and built-up constructions, never for the anatomical sense.
  この本棚ほんだなは組み立くみたてが簡単かんたんです。↗

  This bookcase is easy to assemble.
• 建立こんりゅうCommon
  noun, suru verb, transitive verbRefers to the act of building or erecting a temple, monument or the like; when 'erection' means putting up such a structure, this is the word that matches.
  システィナ礼拝堂れいはいどうは、１４７３年ねんにバティカン宮殿きゅうでん内ないに建立こんりゅうされた壮大そうだいな礼拝堂れいはいどうです。↗

  The Sistine Chapel is a vast chapel built inside the Vatican Palace in 1473.
• 勃起ぼっきCommon
  noun, suru verb, intransitive verbThe anatomical sense: an erection of the penis, or stiffening and becoming erect. Whenever 'erection' refers to the body, this is the word you want.
• 造営ぞうえいCommon
  noun, suru verb, transitive verbBuilding or erection of a temple, palace or similar large edifice; it overlaps with 建立 but extends to palaces and other grand construction projects.

For the anatomical sense use 勃起; for putting a structure together from parts use 「組み立て」; 建立 and 造営 both cover erecting temples and monuments, with 造営 also taking in palaces and similar large buildings.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 組み立てくみたてconstruction
• 建立こんりゅう(act of) building (temple, monument, etc.)
• 勃起ぼっきerection (of the penis)
• 造営ぞうえいbuilding (a temple, palace, etc.)
• エレクションerection