胸, むね, むな
むな is usually used in compounds
1. chest, breast
2. breasts, bosom, bust
3. heart
4. lungs
5. stomach, mind, feelings
その亡命者は故国への思いに胸を焦がした。
が
Particle
1. indicates sentence subject (occasionally object)
2. indicates possessive (esp. in literary expressions)
Conjunction
3. but, however, still, and
after the volitional form of a verb
4. regardless of, whether (or not)
詰まる, つまる
Conjugated: つまって
Godan verb, Intransitive
1. to be packed (with), to be full (space, schedule, etc.)
See 鼻が詰まる
2. to be blocked (road, pipe, nose, etc.), to be clogged, to be plugged up
3. to shorten (width, interval, etc.), to shrink (shirt, word form, etc.), to narrow
See 言葉に詰まる, See 気の詰まる・きのつまる, often in the form …につまる
4. to be at a loss, to be hard pressed
See 詰まる所・つまるところ
5. to end up, to be settled
のどが詰まった感じです。