N4 — outside your level filter

てすみません

てすみませんte sumimasenN4neutral

savor + (and…) + sorry for doing — the act named up front

ajiwatte sumimasen

sorry for doing (something) — the act named up front

meaning: sorry for savoring

返事へんじが味あじわってすみません。今いま、確認かくにんしました。

henji ga ajiwatte sumimasen. ima, kakunin shimashita.

I'm sorry for savoring with my reply — I've just seen it. neutral

昨日きのうは連絡れんらくできなくてごめん。バタバタしてた。

kinou wa renraku dekinakute gomen. batabata shiteta.

Sorry I couldn't get in touch yesterday — things were hectic. casual

All examples4

sorry for doing (something) — names what you're apologizing for

返事へんじが遅おくれてすみません。今いま、確認かくにんしました。
henji ga okurete sumimasen. ima, kakunin shimashita.
I'm sorry for being late with my reply — I've just seen it. neutral
昨日きのうは連絡れんらくできなくてごめん。バタバタしてた。
kinou wa renraku dekinakute gomen. batabata shiteta.
Sorry I couldn't get in touch yesterday — things were hectic. casual
急きゅうにお願ねがいしてすみませんでした。助たすかりました。
kyuu ni onegai shite sumimasen deshita. tasukarimashita.
I'm sorry for asking you on such short notice. It was a real help. neutral
こちらの手違てちがいでご迷惑めいわくをおかけしてしまって、誠まことに申もうし訳わけございません。
kochira no techigai de go meiwaku o okake shite shimatte, makoto ni moushiwake gozaimasen.
We sincerely apologise for the trouble caused by our mistake. formal

てごめんtegomencolloquial
味あじわってごめん
between friends and downward — 返事へんじが遅おそくなってごめん; ごめんなさい is the full form.
てすまないtesumanaicolloquial
味あじわってすまない
blunt, plain-style and more common among men, to equals and below — 急きゅうに頼たのんですまない; it cannot go upward.
て申もうし訳わけありませんtemoushiwakearimasenformal
味あじわって申もうし訳わけありません
the business apology; 申もうし訳わけございません raises it one more step.

This part has to name your own act. Put a favor-word in it and it turns
into thanks instead — お越こしいただいてすみません thanks the visitor for
coming.