1.  stick in(v = verb.communication) insert, slip in, sneak in - insert casually; "She slipped in a reference to her own work"
is one way to add, append, supply
Sample sentences: Somebody ----s something; Somebody ----s that CLAUSE

2.  stick in(v = verb.change) enclose, inclose, insert, introduce, put in - introduce; "Insert your ticket here"
is one way to lay, place, pose, position, put, set
Sample sentences: Somebody ----s something; Something ----s something; Somebody ----s something PP

VB  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.

big stick, carrot stick, celery stick, control stick, cue stick, devil's walking stick, fencing stick, fish stick, hockey stick, joss stick, licorice stick, measuring stick, message stick, pogo stick, polo stick, pool stick, rain stick, shooting stick, size stick, stick, stick about, stick around, stick at, stick by, stick cinnamon, stick figure, stick horse, stick insect, stick it out, stick lac, stick on, stick out, stick shift, stick to, stick together, stick up, stick up for, stick with, swagger stick, swizzle stick, sword stick, throw stick, throwing stick, walking stick