allude to, blurt, blurt out, call attention to, comment, drag in, ease in, edge in, exclaim, fill in, foist in, fudge in, implant in, infuse, inject, inject in, inoculate, insert, insert in, insinuate, insinuate in, intercalate, interjaculate, interpolate, interpose, intervene, introduce, introduce in, intromit, intrude, let drop, let fall, lug in, make reference to, mention, muse, note, observe, opine, perfuse, pop in, put between, put in, refer to, reflect, remark, run in, sandwich, set in, slip in, smuggle in, speak, squeeze in, stick in, throw in, thrust in, tuck in, wedge in, whip in, work in, worm in
lie between, come between, get between, intervene, slide in, interpenetrate, permeate, put between, introduce, import, throw in, wedge in, edge in, jam in, worm in, foist in, run in, plow in, work in, interpose, interject
, intercalate, interpolate, interline, interleave, intersperse, interweave, interlard, interdigitate, sandwich in, fit in, squeeze in, let in, dovetail, splice, mortise, insinuate, smuggle, infiltrate, ingrain, interfere, put in an oar, thrust one's nose in, intrude, obtrude, have a finger in the pie, introduce the thin end of the wedge, thrust in.
insert, introduce, intromit, put into, run into, import, inject, interject
, infuse, instill, inoculate, impregnate, imbue, imbrue, graft, ingraft, bud, plant, implant, dovetail, obtrude, thrust in, stick in, ram in, stuff in, tuck in, press, in, drive in, pop in, whip in, drop in, put in, impact, empierce, imbed, immerse, immerge, merge, bathe, soak, dip, plunge, bury, insert itself, lodge itself, plunge in medias res.