Synonyms for neck:
land, channel, groundwater, nape.
lagoon, open water, spoon.
Other synonyms and related words:
fill out, have it off, water, be intimate, get laid, hump, deal, channel, get it on, manage, recognize, peninsula, strait, make do, do it, region, cope, pet, bang, make love, corridor, tell apart, jazz, land, issue, lie with, uterine cervix, get along, spoon, love, recognise, nape, bonk, get by, sleep with, fare, discern, eff, lagoon, write out, inch, stretch, know, have it away, come, DO, distinguish, grapple, pick out, sound, contend, complete, cervix uteri, Narrows, groundwater, cut, bed.
Sense 1 (noun)
Sense 4 (noun)
Sense 5 (noun)
ground, lagoon, open water, field, channel, groundwater.