canja -caj- gismu

x1 exchanges/trades/barters commodity x2 for x3 with x4; x1, x4 is a trader/merchant/businessman.

Also (adjective:) x1, x2, x4 is/are commercial (better expressed as ka canja, kamcanja). x2/x3 may be a specific object, a commodity (mass), an event (possibly service), or a property; pedantically, for objects/commodities, this is sumti-raising from ownership of the object/commodity (= posycanja for unambiguous semantics); (cf. dunda, friti, vecnu, zarci, jdini, pleji, jdima, jerna, kargu; see note at jdima on cost/price/value distinction, banxa, cirko, dunda, janta, kargu, prali, sfasa, zivle)

In notes:

banxa
x1 is a bank owned by/in banking system x2 for banking function(s) x3 (event).
cirko
x1 loses person/thing x2 at/near x3; x1 loses property/feature x2 in conditions/situation x3.
dunda
x1 [donor] gives/donates gift/present x2 to recipient/beneficiary x3 [without payment/exchange].
friti
x1 offers/proffers x2 [offering] to x3 with conditions x4.
janta
x1 is an account/bill/invoice for goods/services x2, billed to x3 by x4.
jdima
x1 [amount] is the price of x2 to purchaser/consumer x3 set by vendor x4.
jdini
x1 is money/currency issued by x2; (adjective:) x1 is financial/monetary/pecuniary/fiscal.
jerna
x1 (agent/person) earns/[deserves/merits] wages/salary/pay x2 for work/service x3 (activity).
kargu
x1 (object/commodity/property/event) is costly/expensive/dear to x2 by standard x3.
pleji
x1 pays/compensates/remunerates/[rewards] payment x2 to recipient/payee x3 for goods/services x4.
prali
x1 is a profit/gain/benefit/advantage to x2 accruing/resulting from activity/process x3.
sfasa
x1 (agent) punishes x2 for infraction x3 (event/state/action) with punishment x4 (event/state).
vecnu
x1 [seller] sells/vends x2 [goods/service/commodity] to buyer x3 for amount/cost/expense x4.
zarci
x1 is a market/store/exchange/shop(s) selling/trading (for) x2, operated by/with participants x3.
zivle
x1 (agent) invests resources x2 in investment x3 expecting return/profit x4 (object(s)/event).
cajgundi
g1 is a/the wholesale/retail industry sector in which c1 trades/barters c2 for c3 by process g3.
cajysi'u
s1 (set) mutually exchange/trade/barter commodity c2 for c3 with c4.
selcanja
x2=c1 exchanges/trades/barters commodity x1=c2 for x3=c3 with x4=c4.
tercanja
x3=c1 exchanges/trades/barters commodity x2=c2 for x1=c3 with x4=c4.
velcanja
x4=c1 exchanges/trades/barters commodity x2=c2 for x3=c3 with x1=c4.
cple'ijdu
x1 gives/donates/pays/remunerates/exchanges/vel sim. x2 (money, remuneration, payment, bartered good, kind, specie, item, gift, vel sim.) to x3 (recipient, seller, vel sim.).
xa'anze
x1 is Hanseatic/pertains to the Hanseatic League in aspect x2