mintu -mit-mi'u- gismu

x1 is the same/identical thing as x2 by standard x3; (x1 and x2 interchangeable).

(cf. panra, satci, mapti, simsa, drata, dunli, cmavo list du - which has no standard place, simxu)

In notes:

drata
x1 isn't the-same-thing-as/is different-from/other-than x2 by standard x3; x1 is something else.
dunli
x1 is equal/congruent to/as much as x2 in property/dimension/quantity x3.
lanzu
x1 (mass) is a family with members including x2 bonded/tied/joined according to standard x3.
mapti
x1 fits/matches/suits/is compatible/appropriate/corresponds to/with x2 in property/aspect x3.
panra
x1 parallels x2 differing only in property x3 (ka; jo'u/fa'u term) by standard/geometry x4.
satci
x1 [measurement/match] is exact/precise to precision x2 in property/quantity x3 (ka/ni).
simsa
x1 is similar/parallel to x2 in property/quantity x3 (ka/ni); x1 looks/appears like x2.
simxu
x1 (set) has members who mutually/reciprocally x2 (event [x1 should be reflexive in 1+ sumti]).
mi'u
discursive: ditto.
jvomi'u
The lujvo m1=l1 (text) is an equivalent/interchangable lujvo form of lujvo m2=l1 (text).
lazmi'u
x1 is a family relative of x2
mitmo'a
mo1=mi1 follows the same pattern as mi2 with respect to forms/events mo2 arranged according to structure mo3.
mitsmuvla
v1=m1 is a synonym of m2 by standard m3 in language v3.
mitsnavla
x1 is a homophone to x2, and means x3 in language x4
mitybe'isi'u
s1 (set) mutually synchronize b2 via transmission means/medium b5
mitysisku
x1 seeks/searches/looks for something that has the same identity as x2 among x3
smisi'u
The members of x1=simx1 (set) resemble one another in property x2=simx2.
modju
x1 (li; number) is congruent to x2 (li; number; see description for canonical/traditional/contextless default usage) modulo x3 (li; number); \frac(x1 - x is an integer.
kamcedu
x1 (ka) is the property/state of being x2
mlumitu
x1 and x2 are indistinguishable from each other, they seem to share all their properties except maybe their location and identity, as perceived by observer x3