1) Become tumid 2) Bubble up 3) Come up 4) Expand abnormally 5) Rise 6) Rise up 7) Surface 8) To bubble up 9) To swell or enlarge 1) Tumesce 2) Vesicate 
to enlarge; to swell; to bubble
• (v. i.) To enlarge or expand with heat; to swell; specifically, to swell up or bubble up under the action of heat, as before the blowpipe.
To swell up; to enlarge. ... Origin: L. In-tumesco, to swell up, fr. Tumeo, to swell ... (05 Mar 2000) ... 
In`tu·mesce' intransitive verb [ imperfect & past participle Intumesced ; present participle & verbal noun Intumescing .] [ Latin intumescere ; prefix in- in + tumescere to swell up, incho. from tumere to sw...
Type: Term Pronunciation: in-tū-mes′ Definitions: 1. To swell up; to enlarge.
to swell up, as with heat; become tumid. · to bubble up.