I finished Core 10000 (an Anki deck) and 振る舞う (to entertain) was one of the last ones to pop up. I find it interesting because to me it appears to be a combination of plain form 振る (to shake) + ...
These verbs: いらっしゃる おっしゃる くださる なさる More? Are all listed as 五段 verbs, but they don't follow the usual conjugation rules for them. For example: 命令形: いらっしゃる -> いらっしゃい, not いらっしゃれ 連用形: Same as ...
This is somewhat related to the discussion of classical auxiliary verb ふ, mentioned in the answer to snailboat's question, What is the わ in 忌まわしい and 嘆かわしい?. Another apparent iterative / repetitive ...
Looking at examples on weblio, it looks like maybe 持ち込む is more for things and 持ってくる is for bringing people along with you, etc?